19995862

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{739}}^1$

素因数の和:987

約数の個数: 16

約数和(自身を含む): 30582720

約数和(自身を除く): 10586858

約数列:

[1, 2, 83, 163, 166, 326, 739, 1478, 13529, 27058, 61337, 120457, 122674, 240914, 9997931, 19995862]

約数ペア:

[(1, 19995862), (2, 9997931), (83, 240914), (163, 122674), (166, 120457), (326, 61337), (739, 27058), (1478, 13529)]