13618180

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4337}}^1$

素因数の和:4503

約数の個数: 24

約数和(自身を含む): 28786968

約数和(自身を除く): 15168788

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 4337, 8674, 17348, 21685, 43370, 86740, 680909, 1361818, 2723636, 3404545, 6809090, 13618180]

約数ペア:

[(1, 13618180), (2, 6809090), (4, 3404545), (5, 2723636), (10, 1361818), (20, 680909), (157, 86740), (314, 43370), (628, 21685), (785, 17348), (1570, 8674), (3140, 4337)]