18690975

素因数分解:

$3^2\times 5^2\times {\mathrm{83071}}^1$

素因数の和:83087

約数の個数: 18

約数和(自身を含む): 33478016

約数和(自身を除く): 14787041

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 83071, 249213, 415355, 747639, 1246065, 2076775, 3738195, 6230325, 18690975]

約数ペア:

[(1, 18690975), (3, 6230325), (5, 3738195), (9, 2076775), (15, 1246065), (25, 747639), (45, 415355), (75, 249213), (225, 83071)]