19572290

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4649}}^1$

素因数の和:5077

約数の個数: 16

約数和(自身を含む): 35321400

約数和(自身を除く): 15749110

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 4649, 9298, 23245, 46490, 1957229, 3914458, 9786145, 19572290]

約数ペア:

[(1, 19572290), (2, 9786145), (5, 3914458), (10, 1957229), (421, 46490), (842, 23245), (2105, 9298), (4210, 4649)]