18877833

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{53783}}^1$

素因数の和:53805

約数の個数: 16

約数和(自身を含む): 30119040

約数和(自身を除く): 11241207

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 53783, 161349, 484047, 699179, 1452141, 2097537, 6292611, 18877833]

約数ペア:

[(1, 18877833), (3, 6292611), (9, 2097537), (13, 1452141), (27, 699179), (39, 484047), (117, 161349), (351, 53783)]