17908984

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{659}}^1$

素因数の和:787

約数の個数: 32

約数和(自身を含む): 34848000

約数和(自身を除く): 16939016

約数列:

[1, 2, 4, 8, 43, 79, 86, 158, 172, 316, 344, 632, 659, 1318, 2636, 3397, 5272, 6794, 13588, 27176, 28337, 52061, 56674, 104122, 113348, 208244, 226696, 416488, 2238623, 4477246, 8954492, 17908984]

約数ペア:

[(1, 17908984), (2, 8954492), (4, 4477246), (8, 2238623), (43, 416488), (79, 226696), (86, 208244), (158, 113348), (172, 104122), (316, 56674), (344, 52061), (632, 28337), (659, 27176), (1318, 13588), (2636, 6794), (3397, 5272)]