18889508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{1297}}^1$

素因数の和:1643

約数の個数: 24

約数和(自身を含む): 36198624

約数和(自身を除く): 17309116

約数列:

[1, 2, 4, 11, 22, 44, 331, 662, 1297, 1324, 2594, 3641, 5188, 7282, 14267, 14564, 28534, 57068, 429307, 858614, 1717228, 4722377, 9444754, 18889508]

約数ペア:

[(1, 18889508), (2, 9444754), (4, 4722377), (11, 1717228), (22, 858614), (44, 429307), (331, 57068), (662, 28534), (1297, 14564), (1324, 14267), (2594, 7282), (3641, 5188)]