18181580

素因数分解:

$2^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{1483}}^1$

素因数の和:2105

約数の個数: 24

約数和(自身を含む): 38269392

約数和(自身を除く): 20087812

約数列:

[1, 2, 4, 5, 10, 20, 613, 1226, 1483, 2452, 2966, 3065, 5932, 6130, 7415, 12260, 14830, 29660, 909079, 1818158, 3636316, 4545395, 9090790, 18181580]

約数ペア:

[(1, 18181580), (2, 9090790), (4, 4545395), (5, 3636316), (10, 1818158), (20, 909079), (613, 29660), (1226, 14830), (1483, 12260), (2452, 7415), (2966, 6130), (3065, 5932)]