18682468

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 39029760

約数和(自身を除く): 20347292

約数列:

[1, 2, 4, 7, 14, 28, 43, 59, 86, 118, 172, 236, 263, 301, 413, 526, 602, 826, 1052, 1204, 1652, 1841, 2537, 3682, 5074, 7364, 10148, 11309, 15517, 17759, 22618, 31034, 35518, 45236, 62068, 71036, 79163, 108619, 158326, 217238, 316652, 434476, 667231, 1334462, 2668924, 4670617, 9341234, 18682468]

約数ペア:

[(1, 18682468), (2, 9341234), (4, 4670617), (7, 2668924), (14, 1334462), (28, 667231), (43, 434476), (59, 316652), (86, 217238), (118, 158326), (172, 108619), (236, 79163), (263, 71036), (301, 62068), (413, 45236), (526, 35518), (602, 31034), (826, 22618), (1052, 17759), (1204, 15517), (1652, 11309), (1841, 10148), (2537, 7364), (3682, 5074)]