19016920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36571}}^1$

素因数の和:36595

約数の個数: 32

約数和(自身を含む): 46080720

約数和(自身を除く): 27063800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 36571, 73142, 146284, 182855, 292568, 365710, 475423, 731420, 950846, 1462840, 1901692, 2377115, 3803384, 4754230, 9508460, 19016920]

約数ペア:

[(1, 19016920), (2, 9508460), (4, 4754230), (5, 3803384), (8, 2377115), (10, 1901692), (13, 1462840), (20, 950846), (26, 731420), (40, 475423), (52, 365710), (65, 292568), (104, 182855), (130, 146284), (260, 73142), (520, 36571)]