19004022980

素因数分解:

$2^2\times 5^1\times {\mathrm{950201149}}^1$

素因数の和:950201158

約数の個数: 12

約数和(自身を含む): 39908448300

約数和(自身を除く): 20904425320

約数列:

[1, 2, 4, 5, 10, 20, 950201149, 1900402298, 3800804596, 4751005745, 9502011490, 19004022980]

約数ペア:

[(1, 19004022980), (2, 9502011490), (4, 4751005745), (5, 3800804596), (10, 1900402298), (20, 950201149)]