18203157

素因数分解:

$3^3\times 7^2\times {\mathrm{13759}}^1$

素因数の和:13782

約数の個数: 24

約数和(自身を含む): 31372800

約数和(自身を除く): 13169643

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 13759, 41277, 96313, 123831, 288939, 371493, 674191, 866817, 2022573, 2600451, 6067719, 18203157]

約数ペア:

[(1, 18203157), (3, 6067719), (7, 2600451), (9, 2022573), (21, 866817), (27, 674191), (49, 371493), (63, 288939), (147, 123831), (189, 96313), (441, 41277), (1323, 13759)]