18816772

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{4957}}^1$

素因数の和:5047

約数の個数: 24

約数和(自身を含む): 35955416

約数和(自身を除く): 17138644

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 292, 949, 1898, 3796, 4957, 9914, 19828, 64441, 128882, 257764, 361861, 723722, 1447444, 4704193, 9408386, 18816772]

約数ペア:

[(1, 18816772), (2, 9408386), (4, 4704193), (13, 1447444), (26, 723722), (52, 361861), (73, 257764), (146, 128882), (292, 64441), (949, 19828), (1898, 9914), (3796, 4957)]