18834871

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{397}}^1$

素因数の和:654

約数の個数: 16

約数和(自身を含む): 21778560

約数和(自身を除く): 2943689

約数列:

[1, 11, 19, 209, 227, 397, 2497, 4313, 4367, 7543, 47443, 82973, 90119, 991309, 1712261, 18834871]

約数ペア:

[(1, 18834871), (11, 1712261), (19, 991309), (209, 90119), (227, 82973), (397, 47443), (2497, 7543), (4313, 4367)]