19085996

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{401}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 34150704

約数和(自身を除く): 15064708

約数列:

[1, 2, 4, 73, 146, 163, 292, 326, 401, 652, 802, 1604, 11899, 23798, 29273, 47596, 58546, 65363, 117092, 130726, 261452, 4771499, 9542998, 19085996]

約数ペア:

[(1, 19085996), (2, 9542998), (4, 4771499), (73, 261452), (146, 130726), (163, 117092), (292, 65363), (326, 58546), (401, 47596), (652, 29273), (802, 23798), (1604, 11899)]