18187790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1289}}^1$

素因数の和:1396

約数の個数: 32

約数和(自身を含む): 35108640

約数和(自身を除く): 16920850

約数列:

[1, 2, 5, 10, 17, 34, 83, 85, 166, 170, 415, 830, 1289, 1411, 2578, 2822, 6445, 7055, 12890, 14110, 21913, 43826, 106987, 109565, 213974, 219130, 534935, 1069870, 1818779, 3637558, 9093895, 18187790]

約数ペア:

[(1, 18187790), (2, 9093895), (5, 3637558), (10, 1818779), (17, 1069870), (34, 534935), (83, 219130), (85, 213974), (166, 109565), (170, 106987), (415, 43826), (830, 21913), (1289, 14110), (1411, 12890), (2578, 7055), (2822, 6445)]