18429790

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{617}}^1$

素因数の和:756

約数の個数: 32

約数和(自身を含む): 34706880

約数和(自身を除く): 16277090

約数列:

[1, 2, 5, 10, 29, 58, 103, 145, 206, 290, 515, 617, 1030, 1234, 2987, 3085, 5974, 6170, 14935, 17893, 29870, 35786, 63551, 89465, 127102, 178930, 317755, 635510, 1842979, 3685958, 9214895, 18429790]

約数ペア:

[(1, 18429790), (2, 9214895), (5, 3685958), (10, 1842979), (29, 635510), (58, 317755), (103, 178930), (145, 127102), (206, 89465), (290, 63551), (515, 35786), (617, 29870), (1030, 17893), (1234, 14935), (2987, 6170), (3085, 5974)]