19911962

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{74857}}^1$

素因数の和:74885

約数の個数: 16

約数和(自身を含む): 35931840

約数和(自身を除く): 16019878

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 74857, 149714, 523999, 1047998, 1422283, 2844566, 9955981, 19911962]

約数ペア:

[(1, 19911962), (2, 9955981), (7, 2844566), (14, 1422283), (19, 1047998), (38, 523999), (133, 149714), (266, 74857)]