18817315

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1637}}^1$

素因数の和:1683

約数の個数: 24

約数和(自身を含む): 26142480

約数和(自身を除く): 7325165

約数列:

[1, 5, 11, 19, 55, 95, 121, 209, 605, 1045, 1637, 2299, 8185, 11495, 18007, 31103, 90035, 155515, 198077, 342133, 990385, 1710665, 3763463, 18817315]

約数ペア:

[(1, 18817315), (5, 3763463), (11, 1710665), (19, 990385), (55, 342133), (95, 198077), (121, 155515), (209, 90035), (605, 31103), (1045, 18007), (1637, 11495), (2299, 8185)]