18335457

素因数分解:

$3^3\times 7^2\times {\mathrm{13859}}^1$

素因数の和:13882

約数の個数: 24

約数和(自身を含む): 31600800

約数和(自身を除く): 13265343

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 13859, 41577, 97013, 124731, 291039, 374193, 679091, 873117, 2037273, 2619351, 6111819, 18335457]

約数ペア:

[(1, 18335457), (3, 6111819), (7, 2619351), (9, 2037273), (21, 873117), (27, 679091), (49, 374193), (63, 291039), (147, 124731), (189, 97013), (441, 41577), (1323, 13859)]