18181728

素因数分解:

$2^5\times 3^2\times {\mathrm{63131}}^1$

素因数の和:63147

約数の個数: 36

約数和(自身を含む): 51705108

約数和(自身を除く): 33523380

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 63131, 126262, 189393, 252524, 378786, 505048, 568179, 757572, 1010096, 1136358, 1515144, 2020192, 2272716, 3030288, 4545432, 6060576, 9090864, 18181728]

約数ペア:

[(1, 18181728), (2, 9090864), (3, 6060576), (4, 4545432), (6, 3030288), (8, 2272716), (9, 2020192), (12, 1515144), (16, 1136358), (18, 1010096), (24, 757572), (32, 568179), (36, 505048), (48, 378786), (72, 252524), (96, 189393), (144, 126262), (288, 63131)]