18189828

素因数分解:

$2^2\times 3^2\times {\mathrm{97}}^1\times {\mathrm{5209}}^1$

素因数の和:5316

約数の個数: 36

約数和(自身を含む): 46462780

約数和(自身を除く): 28272952

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 97, 194, 291, 388, 582, 873, 1164, 1746, 3492, 5209, 10418, 15627, 20836, 31254, 46881, 62508, 93762, 187524, 505273, 1010546, 1515819, 2021092, 3031638, 4547457, 6063276, 9094914, 18189828]

約数ペア:

[(1, 18189828), (2, 9094914), (3, 6063276), (4, 4547457), (6, 3031638), (9, 2021092), (12, 1515819), (18, 1010546), (36, 505273), (97, 187524), (194, 93762), (291, 62508), (388, 46881), (582, 31254), (873, 20836), (1164, 15627), (1746, 10418), (3492, 5209)]