18910503

素因数分解:

$3^5\times {\mathrm{59}}^1\times {\mathrm{1319}}^1$

素因数の和:1393

約数の個数: 24

約数和(自身を含む): 28828800

約数和(自身を除く): 9918297

約数列:

[1, 3, 9, 27, 59, 81, 177, 243, 531, 1319, 1593, 3957, 4779, 11871, 14337, 35613, 77821, 106839, 233463, 320517, 700389, 2101167, 6303501, 18910503]

約数ペア:

[(1, 18910503), (3, 6303501), (9, 2101167), (27, 700389), (59, 320517), (81, 233463), (177, 106839), (243, 77821), (531, 35613), (1319, 14337), (1593, 11871), (3957, 4779)]