18588520

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2851}}^1$

素因数の和:3025

約数の個数: 32

約数和(自身を含む): 42095520

約数和(自身を除く): 23507000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 2851, 3260, 5702, 6520, 11404, 14255, 22808, 28510, 57020, 114040, 464713, 929426, 1858852, 2323565, 3717704, 4647130, 9294260, 18588520]

約数ペア:

[(1, 18588520), (2, 9294260), (4, 4647130), (5, 3717704), (8, 2323565), (10, 1858852), (20, 929426), (40, 464713), (163, 114040), (326, 57020), (652, 28510), (815, 22808), (1304, 14255), (1630, 11404), (2851, 6520), (3260, 5702)]