18645020

素因数分解:

$2^2\times 5^1\times {\mathrm{877}}^1\times {\mathrm{1063}}^1$

素因数の和:1949

約数の個数: 24

約数和(自身を含む): 39236064

約数和(自身を除く): 20591044

約数列:

[1, 2, 4, 5, 10, 20, 877, 1063, 1754, 2126, 3508, 4252, 4385, 5315, 8770, 10630, 17540, 21260, 932251, 1864502, 3729004, 4661255, 9322510, 18645020]

約数ペア:

[(1, 18645020), (2, 9322510), (4, 4661255), (5, 3729004), (10, 1864502), (20, 932251), (877, 21260), (1063, 17540), (1754, 10630), (2126, 8770), (3508, 5315), (4252, 4385)]