19767782

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1\times {\mathrm{521}}^1$

素因数の和:895

約数の個数: 16

約数和(自身を含む): 30292704

約数和(自身を除く): 10524922

約数列:

[1, 2, 61, 122, 311, 521, 622, 1042, 18971, 31781, 37942, 63562, 162031, 324062, 9883891, 19767782]

約数ペア:

[(1, 19767782), (2, 9883891), (61, 324062), (122, 162031), (311, 63562), (521, 37942), (622, 31781), (1042, 18971)]