18162460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53419}}^1$

素因数の和:53445

約数の個数: 24

約数和(自身を含む): 40385520

約数和(自身を除く): 22223060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 53419, 106838, 213676, 267095, 534190, 908123, 1068380, 1816246, 3632492, 4540615, 9081230, 18162460]

約数ペア:

[(1, 18162460), (2, 9081230), (4, 4540615), (5, 3632492), (10, 1816246), (17, 1068380), (20, 908123), (34, 534190), (68, 267095), (85, 213676), (170, 106838), (340, 53419)]