19710938

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{4651}}^1$

素因数の和:4829

約数の個数: 16

約数和(自身を含む): 32042976

約数和(自身を除く): 12332038

約数列:

[1, 2, 13, 26, 163, 326, 2119, 4238, 4651, 9302, 60463, 120926, 758113, 1516226, 9855469, 19710938]

約数ペア:

[(1, 19710938), (2, 9855469), (13, 1516226), (26, 758113), (163, 120926), (326, 60463), (2119, 9302), (4238, 4651)]