19944665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{8293}}^1$

素因数の和:8348

約数の個数: 16

約数和(自身を含む): 26474448

約数和(自身を除く): 6529783

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 8293, 41465, 107809, 306841, 539045, 1534205, 3988933, 19944665]

約数ペア:

[(1, 19944665), (5, 3988933), (13, 1534205), (37, 539045), (65, 306841), (185, 107809), (481, 41465), (2405, 8293)]