19146920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36821}}^1$

素因数の和:36845

約数の個数: 32

約数和(自身を含む): 46395720

約数和(自身を除く): 27248800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 36821, 73642, 147284, 184105, 294568, 368210, 478673, 736420, 957346, 1472840, 1914692, 2393365, 3829384, 4786730, 9573460, 19146920]

約数ペア:

[(1, 19146920), (2, 9573460), (4, 4786730), (5, 3829384), (8, 2393365), (10, 1914692), (13, 1472840), (20, 957346), (26, 736420), (40, 478673), (52, 368210), (65, 294568), (104, 184105), (130, 147284), (260, 73642), (520, 36821)]