18521919

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{52769}}^1$

素因数の和:52791

約数の個数: 16

約数和(自身を含む): 29551200

約数和(自身を除く): 11029281

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 52769, 158307, 474921, 685997, 1424763, 2057991, 6173973, 18521919]

約数ペア:

[(1, 18521919), (3, 6173973), (9, 2057991), (13, 1424763), (27, 685997), (39, 474921), (117, 158307), (351, 52769)]