18788818

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{1129}}^1$

素因数の和:1341

約数の個数: 16

約数和(自身を含む): 28923480

約数和(自身を除く): 10134662

約数列:

[1, 2, 53, 106, 157, 314, 1129, 2258, 8321, 16642, 59837, 119674, 177253, 354506, 9394409, 18788818]

約数ペア:

[(1, 18788818), (2, 9394409), (53, 354506), (106, 177253), (157, 119674), (314, 59837), (1129, 16642), (2258, 8321)]