19108220

素因数分解:

$2^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1697}}^1$

素因数の和:2269

約数の個数: 24

約数和(自身を含む): 40222224

約数和(自身を除く): 21114004

約数列:

[1, 2, 4, 5, 10, 20, 563, 1126, 1697, 2252, 2815, 3394, 5630, 6788, 8485, 11260, 16970, 33940, 955411, 1910822, 3821644, 4777055, 9554110, 19108220]

約数ペア:

[(1, 19108220), (2, 9554110), (4, 4777055), (5, 3821644), (10, 1910822), (20, 955411), (563, 33940), (1126, 16970), (1697, 11260), (2252, 8485), (2815, 6788), (3394, 5630)]