19610480

素因数分解:

$2^4\times 5^1\times {\mathrm{245131}}^1$

素因数の和:245144

約数の個数: 20

約数和(自身を含む): 45594552

約数和(自身を除く): 25984072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 245131, 490262, 980524, 1225655, 1961048, 2451310, 3922096, 4902620, 9805240, 19610480]

約数ペア:

[(1, 19610480), (2, 9805240), (4, 4902620), (5, 3922096), (8, 2451310), (10, 1961048), (16, 1225655), (20, 980524), (40, 490262), (80, 245131)]