18926665

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1873}}^1$

素因数の和:1968

約数の個数: 16

約数和(自身を含む): 23747328

約数和(自身を除く): 4820663

約数列:

[1, 5, 43, 47, 215, 235, 1873, 2021, 9365, 10105, 80539, 88031, 402695, 440155, 3785333, 18926665]

約数ペア:

[(1, 18926665), (5, 3785333), (43, 440155), (47, 402695), (215, 88031), (235, 80539), (1873, 10105), (2021, 9365)]