19003888780

素因数分解:

$2^2\times 5^1\times {\mathrm{950194439}}^1$

素因数の和:950194448

約数の個数: 12

約数和(自身を含む): 39908166480

約数和(自身を除く): 20904277700

約数列:

[1, 2, 4, 5, 10, 20, 950194439, 1900388878, 3800777756, 4750972195, 9501944390, 19003888780]

約数ペア:

[(1, 19003888780), (2, 9501944390), (4, 4750972195), (5, 3800777756), (10, 1900388878), (20, 950194439)]