18954668

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{1151}}^1$

素因数の和:1357

約数の個数: 24

約数和(自身を含む): 34836480

約数和(自身を除く): 15881812

約数列:

[1, 2, 4, 23, 46, 92, 179, 358, 716, 1151, 2302, 4117, 4604, 8234, 16468, 26473, 52946, 105892, 206029, 412058, 824116, 4738667, 9477334, 18954668]

約数ペア:

[(1, 18954668), (2, 9477334), (4, 4738667), (23, 824116), (46, 412058), (92, 206029), (179, 105892), (358, 52946), (716, 26473), (1151, 16468), (2302, 8234), (4117, 4604)]