19391138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{2137}}^1$

素因数の和:2501

約数の個数: 16

約数和(自身を含む): 31428600

約数和(自身を除く): 12037462

約数列:

[1, 2, 13, 26, 349, 698, 2137, 4274, 4537, 9074, 27781, 55562, 745813, 1491626, 9695569, 19391138]

約数ペア:

[(1, 19391138), (2, 9695569), (13, 1491626), (26, 745813), (349, 55562), (698, 27781), (2137, 9074), (4274, 4537)]