18517072

素因数分解:

$2^4\times 7^1\times {\mathrm{165331}}^1$

素因数の和:165346

約数の個数: 20

約数和(自身を含む): 41002336

約数和(自身を除く): 22485264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 165331, 330662, 661324, 1157317, 1322648, 2314634, 2645296, 4629268, 9258536, 18517072]

約数ペア:

[(1, 18517072), (2, 9258536), (4, 4629268), (7, 2645296), (8, 2314634), (14, 1322648), (16, 1157317), (28, 661324), (56, 330662), (112, 165331)]