19555660

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12377}}^1$

素因数の和:12465

約数の個数: 24

約数和(自身を含む): 41590080

約数和(自身を除く): 22034420

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 12377, 24754, 49508, 61885, 123770, 247540, 977783, 1955566, 3911132, 4888915, 9777830, 19555660]

約数ペア:

[(1, 19555660), (2, 9777830), (4, 4888915), (5, 3911132), (10, 1955566), (20, 977783), (79, 247540), (158, 123770), (316, 61885), (395, 49508), (790, 24754), (1580, 12377)]