18229780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53617}}^1$

素因数の和:53643

約数の個数: 24

約数和(自身を含む): 40535208

約数和(自身を除く): 22305428

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 53617, 107234, 214468, 268085, 536170, 911489, 1072340, 1822978, 3645956, 4557445, 9114890, 18229780]

約数ペア:

[(1, 18229780), (2, 9114890), (4, 4557445), (5, 3645956), (10, 1822978), (17, 1072340), (20, 911489), (34, 536170), (68, 268085), (85, 214468), (170, 107234), (340, 53617)]