19929051

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{19949}}^1$

素因数の和:19995

約数の個数: 16

約数和(自身を含む): 30324000

約数和(自身を除く): 10394949

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 19949, 59847, 179541, 538623, 738113, 2214339, 6643017, 19929051]

約数ペア:

[(1, 19929051), (3, 6643017), (9, 2214339), (27, 738113), (37, 538623), (111, 179541), (333, 59847), (999, 19949)]