19003882180

素因数分解:

$2^2\times 5^1\times {\mathrm{950194109}}^1$

素因数の和:950194118

約数の個数: 12

約数和(自身を含む): 39908152620

約数和(自身を除く): 20904270440

約数列:

[1, 2, 4, 5, 10, 20, 950194109, 1900388218, 3800776436, 4750970545, 9501941090, 19003882180]

約数ペア:

[(1, 19003882180), (2, 9501941090), (4, 4750970545), (5, 3800776436), (10, 1900388218), (20, 950194109)]