18471879279

素因数分解:

$3^3\times 7^1\times {\mathrm{6301}}^1\times {\mathrm{15511}}^1$

素因数の和:21828

約数の個数: 32

約数和(自身を含む): 31282119680

約数和(自身を除く): 12810240401

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 6301, 15511, 18903, 44107, 46533, 56709, 108577, 132321, 139599, 170127, 325731, 396963, 418797, 977193, 1190889, 2931579, 97734811, 293204433, 684143677, 879613299, 2052431031, 2638839897, 6157293093, 18471879279]

約数ペア:

[(1, 18471879279), (3, 6157293093), (7, 2638839897), (9, 2052431031), (21, 879613299), (27, 684143677), (63, 293204433), (189, 97734811), (6301, 2931579), (15511, 1190889), (18903, 977193), (44107, 418797), (46533, 396963), (56709, 325731), (108577, 170127), (132321, 139599)]