17859728

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{21061}}^1$

素因数の和:21122

約数の個数: 20

約数和(自身を含む): 35257788

約数和(自身を除く): 17398060

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 21061, 42122, 84244, 168488, 336976, 1116233, 2232466, 4464932, 8929864, 17859728]

約数ペア:

[(1, 17859728), (2, 8929864), (4, 4464932), (8, 2232466), (16, 1116233), (53, 336976), (106, 168488), (212, 84244), (424, 42122), (848, 21061)]