18244225540

素因数分解:

$2^2\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{822553}}^1$

素因数の和:823671

約数の個数: 24

約数和(自身を含む): 38347467480

約数和(自身を除く): 20103241940

約数列:

[1, 2, 4, 5, 10, 20, 1109, 2218, 4436, 5545, 11090, 22180, 822553, 1645106, 3290212, 4112765, 8225530, 16451060, 912211277, 1824422554, 3648845108, 4561056385, 9122112770, 18244225540]

約数ペア:

[(1, 18244225540), (2, 9122112770), (4, 4561056385), (5, 3648845108), (10, 1824422554), (20, 912211277), (1109, 16451060), (2218, 8225530), (4436, 4112765), (5545, 3290212), (11090, 1645106), (22180, 822553)]