18457580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{54287}}^1$

素因数の和:54313

約数の個数: 24

約数和(自身を含む): 41041728

約数和(自身を除く): 22584148

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 54287, 108574, 217148, 271435, 542870, 922879, 1085740, 1845758, 3691516, 4614395, 9228790, 18457580]

約数ペア:

[(1, 18457580), (2, 9228790), (4, 4614395), (5, 3691516), (10, 1845758), (17, 1085740), (20, 922879), (34, 542870), (68, 271435), (85, 217148), (170, 108574), (340, 54287)]