18864785

素因数分解:

$5^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:484

約数の個数: 16

約数和(自身を含む): 23089104

約数和(自身を除く): 4224319

約数列:

[1, 5, 113, 173, 193, 565, 865, 965, 19549, 21809, 33389, 97745, 109045, 166945, 3772957, 18864785]

約数ペア:

[(1, 18864785), (5, 3772957), (113, 166945), (173, 109045), (193, 97745), (565, 33389), (865, 21809), (965, 19549)]