18156680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26701}}^1$

素因数の和:26729

約数の個数: 32

約数和(自身を含む): 43257240

約数和(自身を除く): 25100560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 26701, 53402, 106804, 133505, 213608, 267010, 453917, 534020, 907834, 1068040, 1815668, 2269585, 3631336, 4539170, 9078340, 18156680]

約数ペア:

[(1, 18156680), (2, 9078340), (4, 4539170), (5, 3631336), (8, 2269585), (10, 1815668), (17, 1068040), (20, 907834), (34, 534020), (40, 453917), (68, 267010), (85, 213608), (136, 133505), (170, 106804), (340, 53402), (680, 26701)]