18486340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31873}}^1$

素因数の和:31911

約数の個数: 24

約数和(自身を含む): 40161240

約数和(自身を除く): 21674900

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 31873, 63746, 127492, 159365, 318730, 637460, 924317, 1848634, 3697268, 4621585, 9243170, 18486340]

約数ペア:

[(1, 18486340), (2, 9243170), (4, 4621585), (5, 3697268), (10, 1848634), (20, 924317), (29, 637460), (58, 318730), (116, 159365), (145, 127492), (290, 63746), (580, 31873)]