18314840

素因数分解:

$2^3\times 5^1\times {\mathrm{457871}}^1$

素因数の和:457882

約数の個数: 16

約数和(自身を含む): 41208480

約数和(自身を除く): 22893640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457871, 915742, 1831484, 2289355, 3662968, 4578710, 9157420, 18314840]

約数ペア:

[(1, 18314840), (2, 9157420), (4, 4578710), (5, 3662968), (8, 2289355), (10, 1831484), (20, 915742), (40, 457871)]