19232780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8081}}^1$

素因数の和:8114

約数の個数: 48

約数和(自身を含む): 48879936

約数和(自身を除く): 29647156

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 8081, 16162, 32324, 40405, 56567, 80810, 113134, 137377, 161620, 226268, 274754, 282835, 549508, 565670, 686885, 961639, 1131340, 1373770, 1923278, 2747540, 3846556, 4808195, 9616390, 19232780]

約数ペア:

[(1, 19232780), (2, 9616390), (4, 4808195), (5, 3846556), (7, 2747540), (10, 1923278), (14, 1373770), (17, 1131340), (20, 961639), (28, 686885), (34, 565670), (35, 549508), (68, 282835), (70, 274754), (85, 226268), (119, 161620), (140, 137377), (170, 113134), (238, 80810), (340, 56567), (476, 40405), (595, 32324), (1190, 16162), (2380, 8081)]