18257660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53699}}^1$

素因数の和:53725

約数の個数: 24

約数和(自身を含む): 40597200

約数和(自身を除く): 22339540

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 53699, 107398, 214796, 268495, 536990, 912883, 1073980, 1825766, 3651532, 4564415, 9128830, 18257660]

約数ペア:

[(1, 18257660), (2, 9128830), (4, 4564415), (5, 3651532), (10, 1825766), (17, 1073980), (20, 912883), (34, 536990), (68, 268495), (85, 214796), (170, 107398), (340, 53699)]