19068820

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1511}}^1$

素因数の和:2151

約数の個数: 24

約数和(自身を含む): 40134528

約数和(自身を除く): 21065708

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 1511, 2524, 3022, 3155, 6044, 6310, 7555, 12620, 15110, 30220, 953441, 1906882, 3813764, 4767205, 9534410, 19068820]

約数ペア:

[(1, 19068820), (2, 9534410), (4, 4767205), (5, 3813764), (10, 1906882), (20, 953441), (631, 30220), (1262, 15110), (1511, 12620), (2524, 7555), (3022, 6310), (3155, 6044)]