18788536

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10627}}^1$

素因数の和:10663

約数の個数: 32

約数和(自身を含む): 40173840

約数和(自身を除く): 21385304

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 10627, 21254, 42508, 85016, 138151, 180659, 276302, 361318, 552604, 722636, 1105208, 1445272, 2348567, 4697134, 9394268, 18788536]

約数ペア:

[(1, 18788536), (2, 9394268), (4, 4697134), (8, 2348567), (13, 1445272), (17, 1105208), (26, 722636), (34, 552604), (52, 361318), (68, 276302), (104, 180659), (136, 138151), (221, 85016), (442, 42508), (884, 21254), (1768, 10627)]