18475620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4337}}^1$

素因数の和:4420

約数の個数: 48

約数和(自身を含む): 52472448

約数和(自身を除く): 33996828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 4337, 8674, 13011, 17348, 21685, 26022, 43370, 52044, 65055, 86740, 130110, 260220, 307927, 615854, 923781, 1231708, 1539635, 1847562, 3079270, 3695124, 4618905, 6158540, 9237810, 18475620]

約数ペア:

[(1, 18475620), (2, 9237810), (3, 6158540), (4, 4618905), (5, 3695124), (6, 3079270), (10, 1847562), (12, 1539635), (15, 1231708), (20, 923781), (30, 615854), (60, 307927), (71, 260220), (142, 130110), (213, 86740), (284, 65055), (355, 52044), (426, 43370), (710, 26022), (852, 21685), (1065, 17348), (1420, 13011), (2130, 8674), (4260, 4337)]