18108620

素因数分解:

$2^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{2389}}^1$

素因数の和:2777

約数の個数: 24

約数和(自身を含む): 38144400

約数和(自身を除く): 20035780

約数列:

[1, 2, 4, 5, 10, 20, 379, 758, 1516, 1895, 2389, 3790, 4778, 7580, 9556, 11945, 23890, 47780, 905431, 1810862, 3621724, 4527155, 9054310, 18108620]

約数ペア:

[(1, 18108620), (2, 9054310), (4, 4527155), (5, 3621724), (10, 1810862), (20, 905431), (379, 47780), (758, 23890), (1516, 11945), (1895, 9556), (2389, 7580), (3790, 4778)]