18900000022

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{746033}}^1$

素因数の和:746327

約数の個数: 16

約数和(自身を含む): 29005801920

約数和(自身を除く): 10105801898

約数列:

[1, 2, 53, 106, 239, 478, 12667, 25334, 746033, 1492066, 39539749, 79079498, 178301887, 356603774, 9450000011, 18900000022]

約数ペア:

[(1, 18900000022), (2, 9450000011), (53, 356603774), (106, 178301887), (239, 79079498), (478, 39539749), (12667, 1492066), (25334, 746033)]