18160580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47791}}^1$

素因数の和:47819

約数の個数: 24

約数和(自身を含む): 40145280

約数和(自身を除く): 21984700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 47791, 95582, 191164, 238955, 477910, 908029, 955820, 1816058, 3632116, 4540145, 9080290, 18160580]

約数ペア:

[(1, 18160580), (2, 9080290), (4, 4540145), (5, 3632116), (10, 1816058), (19, 955820), (20, 908029), (38, 477910), (76, 238955), (95, 191164), (190, 95582), (380, 47791)]