18716962

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{2143}}^1$

素因数の和:2553

約数の個数: 16

約数和(自身を含む): 30719232

約数和(自身を除く): 12002270

約数列:

[1, 2, 11, 22, 397, 794, 2143, 4286, 4367, 8734, 23573, 47146, 850771, 1701542, 9358481, 18716962]

約数ペア:

[(1, 18716962), (2, 9358481), (11, 1701542), (22, 850771), (397, 47146), (794, 23573), (2143, 8734), (4286, 4367)]