18376220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12941}}^1$

素因数の和:13021

約数の個数: 24

約数和(自身を含む): 39136608

約数和(自身を除く): 20760388

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 12941, 25882, 51764, 64705, 129410, 258820, 918811, 1837622, 3675244, 4594055, 9188110, 18376220]

約数ペア:

[(1, 18376220), (2, 9188110), (4, 4594055), (5, 3675244), (10, 1837622), (20, 918811), (71, 258820), (142, 129410), (284, 64705), (355, 51764), (710, 25882), (1420, 12941)]