18265023

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15259}}^1$

素因数の和:15291

約数の個数: 24

約数和(自身を含む): 31740800

約数和(自身を除く): 13475777

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 15259, 45777, 106813, 137331, 289921, 320439, 869763, 961317, 2029447, 2609289, 6088341, 18265023]

約数ペア:

[(1, 18265023), (3, 6088341), (7, 2609289), (9, 2029447), (19, 961317), (21, 869763), (57, 320439), (63, 289921), (133, 137331), (171, 106813), (399, 45777), (1197, 15259)]