18019665

素因数分解:

$3^5\times 5^1\times {\mathrm{14831}}^1$

素因数の和:14851

約数の個数: 24

約数和(自身を含む): 32393088

約数和(自身を除く): 14373423

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 14831, 44493, 74155, 133479, 222465, 400437, 667395, 1201311, 2002185, 3603933, 6006555, 18019665]

約数ペア:

[(1, 18019665), (3, 6006555), (5, 3603933), (9, 2002185), (15, 1201311), (27, 667395), (45, 400437), (81, 222465), (135, 133479), (243, 74155), (405, 44493), (1215, 14831)]