18085880

素因数分解:

$2^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{1193}}^1$

素因数の和:1583

約数の個数: 32

約数和(自身を含む): 40834800

約数和(自身を除く): 22748920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 379, 758, 1193, 1516, 1895, 2386, 3032, 3790, 4772, 5965, 7580, 9544, 11930, 15160, 23860, 47720, 452147, 904294, 1808588, 2260735, 3617176, 4521470, 9042940, 18085880]

約数ペア:

[(1, 18085880), (2, 9042940), (4, 4521470), (5, 3617176), (8, 2260735), (10, 1808588), (20, 904294), (40, 452147), (379, 47720), (758, 23860), (1193, 15160), (1516, 11930), (1895, 9544), (2386, 7580), (3032, 5965), (3790, 4772)]