18209912

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{11213}}^1$

素因数の和:11255

約数の個数: 32

約数和(自身を含む): 40370400

約数和(自身を除く): 22160488

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 11213, 22426, 44852, 78491, 89704, 156982, 313964, 325177, 627928, 650354, 1300708, 2276239, 2601416, 4552478, 9104956, 18209912]

約数ペア:

[(1, 18209912), (2, 9104956), (4, 4552478), (7, 2601416), (8, 2276239), (14, 1300708), (28, 650354), (29, 627928), (56, 325177), (58, 313964), (116, 156982), (203, 89704), (232, 78491), (406, 44852), (812, 22426), (1624, 11213)]