19265780

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{3581}}^1$

素因数の和:3859

約数の個数: 24

約数和(自身を含む): 40619880

約数和(自身を除く): 21354100

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 3581, 5380, 7162, 14324, 17905, 35810, 71620, 963289, 1926578, 3853156, 4816445, 9632890, 19265780]

約数ペア:

[(1, 19265780), (2, 9632890), (4, 4816445), (5, 3853156), (10, 1926578), (20, 963289), (269, 71620), (538, 35810), (1076, 17905), (1345, 14324), (2690, 7162), (3581, 5380)]