18017356

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{13691}}^1$

素因数の和:13749

約数の個数: 24

約数和(自身を含む): 36804096

約数和(自身を除く): 18786740

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 13691, 27382, 54764, 95837, 191674, 383348, 643477, 1286954, 2573908, 4504339, 9008678, 18017356]

約数ペア:

[(1, 18017356), (2, 9008678), (4, 4504339), (7, 2573908), (14, 1286954), (28, 643477), (47, 383348), (94, 191674), (188, 95837), (329, 54764), (658, 27382), (1316, 13691)]