18789020872

素因数分解:

$2^3\times {\mathrm{263}}^1\times {\mathrm{8930143}}^1$

素因数の和:8930412

約数の個数: 16

約数和(自身を含む): 35363370240

約数和(自身を除く): 16574349368

約数列:

[1, 2, 4, 8, 263, 526, 1052, 2104, 8930143, 17860286, 35720572, 71441144, 2348627609, 4697255218, 9394510436, 18789020872]

約数ペア:

[(1, 18789020872), (2, 9394510436), (4, 4697255218), (8, 2348627609), (263, 71441144), (526, 35720572), (1052, 17860286), (2104, 8930143)]