18534804980

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{5685523}}^1$

素因数の和:5685695

約数の個数: 24

約数和(自身を含む): 39161889312

約数和(自身を除く): 20627084332

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 5685523, 11371046, 22742092, 28427615, 56855230, 113710460, 926740249, 1853480498, 3706960996, 4633701245, 9267402490, 18534804980]

約数ペア:

[(1, 18534804980), (2, 9267402490), (4, 4633701245), (5, 3706960996), (10, 1853480498), (20, 926740249), (163, 113710460), (326, 56855230), (652, 28427615), (815, 22742092), (1630, 11371046), (3260, 5685523)]