17861620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127583}}^1$

素因数の和:127599

約数の個数: 24

約数和(自身を含む): 42868224

約数和(自身を除く): 25006604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 127583, 255166, 510332, 637915, 893081, 1275830, 1786162, 2551660, 3572324, 4465405, 8930810, 17861620]

約数ペア:

[(1, 17861620), (2, 8930810), (4, 4465405), (5, 3572324), (7, 2551660), (10, 1786162), (14, 1275830), (20, 893081), (28, 637915), (35, 510332), (70, 255166), (140, 127583)]