18828398

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{2143}}^1$

素因数の和:2359

約数の個数: 16

約数和(自身を含む): 29638656

約数和(自身を除く): 10810258

約数列:

[1, 2, 23, 46, 191, 382, 2143, 4286, 4393, 8786, 49289, 98578, 409313, 818626, 9414199, 18828398]

約数ペア:

[(1, 18828398), (2, 9414199), (23, 818626), (46, 409313), (191, 98578), (382, 49289), (2143, 8786), (4286, 4393)]