19043721

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{17203}}^1$

素因数の和:17253

約数の個数: 16

約数和(自身を含む): 28902720

約数和(自身を除く): 9858999

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 17203, 51609, 154827, 464481, 705323, 2115969, 6347907, 19043721]

約数ペア:

[(1, 19043721), (3, 6347907), (9, 2115969), (27, 705323), (41, 464481), (123, 154827), (369, 51609), (1107, 17203)]