18391023

素因数分解:

$3^3\times 7^2\times {\mathrm{13901}}^1$

素因数の和:13924

約数の個数: 24

約数和(自身を含む): 31696560

約数和(自身を除く): 13305537

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 13901, 41703, 97307, 125109, 291921, 375327, 681149, 875763, 2043447, 2627289, 6130341, 18391023]

約数ペア:

[(1, 18391023), (3, 6130341), (7, 2627289), (9, 2043447), (21, 875763), (27, 681149), (49, 375327), (63, 291921), (147, 125109), (189, 97307), (441, 41703), (1323, 13901)]