18708526

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{1031}}^1$

素因数の和:1287

約数の個数: 16

約数和(自身を含む): 28879488

約数和(自身を除く): 10170962

約数列:

[1, 2, 43, 86, 211, 422, 1031, 2062, 9073, 18146, 44333, 88666, 217541, 435082, 9354263, 18708526]

約数ペア:

[(1, 18708526), (2, 9354263), (43, 435082), (86, 217541), (211, 88666), (422, 44333), (1031, 18146), (2062, 9073)]