18735020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{55103}}^1$

素因数の和:55129

約数の個数: 24

約数和(自身を含む): 41658624

約数和(自身を除く): 22923604

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 55103, 110206, 220412, 275515, 551030, 936751, 1102060, 1873502, 3747004, 4683755, 9367510, 18735020]

約数ペア:

[(1, 18735020), (2, 9367510), (4, 4683755), (5, 3747004), (10, 1873502), (17, 1102060), (20, 936751), (34, 551030), (68, 275515), (85, 220412), (170, 110206), (340, 55103)]