2019813904

素因数分解:

$2^4\times {\mathrm{5557}}^1\times {\mathrm{22717}}^1$

素因数の和:28282

約数の個数: 20

約数和(自身を含む): 3914265964

約数和(自身を除く): 1894452060

約数列:

[1, 2, 4, 8, 16, 5557, 11114, 22228, 22717, 44456, 45434, 88912, 90868, 181736, 363472, 126238369, 252476738, 504953476, 1009906952, 2019813904]

約数ペア:

[(1, 2019813904), (2, 1009906952), (4, 504953476), (8, 252476738), (16, 126238369), (5557, 363472), (11114, 181736), (22228, 90868), (22717, 88912), (44456, 45434)]