18928888

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12653}}^1$

素因数の和:12687

約数の個数: 32

約数和(自身を含む): 40998960

約数和(自身を除く): 22070072

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 12653, 25306, 50612, 101224, 139183, 215101, 278366, 430202, 556732, 860404, 1113464, 1720808, 2366111, 4732222, 9464444, 18928888]

約数ペア:

[(1, 18928888), (2, 9464444), (4, 4732222), (8, 2366111), (11, 1720808), (17, 1113464), (22, 860404), (34, 556732), (44, 430202), (68, 278366), (88, 215101), (136, 139183), (187, 101224), (374, 50612), (748, 25306), (1496, 12653)]