19971394

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{4651}}^1$

素因数の和:4785

約数の個数: 16

約数和(自身を含む): 31819680

約数和(自身を除く): 11848286

約数列:

[1, 2, 19, 38, 113, 226, 2147, 4294, 4651, 9302, 88369, 176738, 525563, 1051126, 9985697, 19971394]

約数ペア:

[(1, 19971394), (2, 9985697), (19, 1051126), (38, 525563), (113, 176738), (226, 88369), (2147, 9302), (4294, 4651)]