19098665

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{421}}^1$

素因数の和:680

約数の個数: 16

約数和(自身を含む): 23618496

約数和(自身を除く): 4519831

約数列:

[1, 5, 43, 211, 215, 421, 1055, 2105, 9073, 18103, 45365, 88831, 90515, 444155, 3819733, 19098665]

約数ペア:

[(1, 19098665), (5, 3819733), (43, 444155), (211, 90515), (215, 88831), (421, 45365), (1055, 18103), (2105, 9073)]