18243700

素因数分解:

$2^2\times 5^2\times {\mathrm{241}}^1\times {\mathrm{757}}^1$

素因数の和:1012

約数の個数: 36

約数和(自身を含む): 39805612

約数和(自身を除く): 21561912

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 241, 482, 757, 964, 1205, 1514, 2410, 3028, 3785, 4820, 6025, 7570, 12050, 15140, 18925, 24100, 37850, 75700, 182437, 364874, 729748, 912185, 1824370, 3648740, 4560925, 9121850, 18243700]

約数ペア:

[(1, 18243700), (2, 9121850), (4, 4560925), (5, 3648740), (10, 1824370), (20, 912185), (25, 729748), (50, 364874), (100, 182437), (241, 75700), (482, 37850), (757, 24100), (964, 18925), (1205, 15140), (1514, 12050), (2410, 7570), (3028, 6025), (3785, 4820)]