18882760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36313}}^1$

素因数の和:36337

約数の個数: 32

約数和(自身を含む): 45755640

約数和(自身を除く): 26872880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 36313, 72626, 145252, 181565, 290504, 363130, 472069, 726260, 944138, 1452520, 1888276, 2360345, 3776552, 4720690, 9441380, 18882760]

約数ペア:

[(1, 18882760), (2, 9441380), (4, 4720690), (5, 3776552), (8, 2360345), (10, 1888276), (13, 1452520), (20, 944138), (26, 726260), (40, 472069), (52, 363130), (65, 290504), (104, 181565), (130, 145252), (260, 72626), (520, 36313)]