19573220

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{5657}}^1$

素因数の和:5839

約数の個数: 24

約数和(自身を含む): 41348664

約数和(自身を除く): 21775444

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 5657, 11314, 22628, 28285, 56570, 113140, 978661, 1957322, 3914644, 4893305, 9786610, 19573220]

約数ペア:

[(1, 19573220), (2, 9786610), (4, 4893305), (5, 3914644), (10, 1957322), (20, 978661), (173, 113140), (346, 56570), (692, 28285), (865, 22628), (1730, 11314), (3460, 5657)]