19271242

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{1153}}^1$

素因数の和:1353

約数の個数: 16

約数和(自身を含む): 29620872

約数和(自身を除く): 10349630

約数列:

[1, 2, 61, 122, 137, 274, 1153, 2306, 8357, 16714, 70333, 140666, 157961, 315922, 9635621, 19271242]

約数ペア:

[(1, 19271242), (2, 9635621), (61, 315922), (122, 157961), (137, 140666), (274, 70333), (1153, 16714), (2306, 8357)]