18929205

素因数分解:

$3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1049}}^1$

素因数の和:1461

約数の個数: 24

約数和(自身を含む): 32923800

約数和(自身を除く): 13994595

約数列:

[1, 3, 5, 9, 15, 45, 401, 1049, 1203, 2005, 3147, 3609, 5245, 6015, 9441, 15735, 18045, 47205, 420649, 1261947, 2103245, 3785841, 6309735, 18929205]

約数ペア:

[(1, 18929205), (3, 6309735), (5, 3785841), (9, 2103245), (15, 1261947), (45, 420649), (401, 47205), (1049, 18045), (1203, 15735), (2005, 9441), (3147, 6015), (3609, 5245)]