I divisori di 19911962 sono 16, elencati qui di seguito: 1; 2; 7; 14; 19; 38; 133; 266; 74857; 149714; 523999; 1047998; 1422283; 2844566; 9955981; 19911962
19911943, 19911944, 19911945, 19911946, 19911947, 19911948, 19911949, 19911950, 19911951, 19911952, 19911953, 19911954, 19911955, 19911956, 19911957, 19911958, 19911959, 19911960, 19911961, 19911963, 19911964, 19911965, 19911966, 19911967, 19911968, 19911969, 19911970, 19911971, 19911972, 19911973, 19911974, 19911975, 19911976, 19911977, 19911978, 19911979, 19911980, 19911981