16640684

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{947}}^1$

素因数の和:1165

約数の個数: 24

約数和(自身を含む): 30578688

約数和(自身を除く): 13938004

約数列:

[1, 2, 4, 23, 46, 92, 191, 382, 764, 947, 1894, 3788, 4393, 8786, 17572, 21781, 43562, 87124, 180877, 361754, 723508, 4160171, 8320342, 16640684]

約数ペア:

[(1, 16640684), (2, 8320342), (4, 4160171), (23, 723508), (46, 361754), (92, 180877), (191, 87124), (382, 43562), (764, 21781), (947, 17572), (1894, 8786), (3788, 4393)]