18808360

素因数分解:

$2^3\times 5^1\times {\mathrm{470209}}^1$

素因数の和:470220

約数の個数: 16

約数和(自身を含む): 42318900

約数和(自身を除く): 23510540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 470209, 940418, 1880836, 2351045, 3761672, 4702090, 9404180, 18808360]

約数ペア:

[(1, 18808360), (2, 9404180), (4, 4702090), (5, 3761672), (8, 2351045), (10, 1880836), (20, 940418), (40, 470209)]