18684351

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1063}}^1$

素因数の和:1113

約数の個数: 40

約数和(自身を含む): 32958464

約数和(自身を除く): 14274113

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 279, 567, 651, 837, 1063, 1953, 2511, 3189, 5859, 7441, 9567, 17577, 22323, 28701, 32953, 66969, 86103, 98859, 200907, 230671, 296577, 602721, 692013, 889731, 2076039, 2669193, 6228117, 18684351]

約数ペア:

[(1, 18684351), (3, 6228117), (7, 2669193), (9, 2076039), (21, 889731), (27, 692013), (31, 602721), (63, 296577), (81, 230671), (93, 200907), (189, 98859), (217, 86103), (279, 66969), (567, 32953), (651, 28701), (837, 22323), (1063, 17577), (1953, 9567), (2511, 7441), (3189, 5859)]