18293457

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{593}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 30336768

約数和(自身を除く): 12043311

約数列:

[1, 3, 7, 13, 21, 39, 91, 113, 273, 339, 593, 791, 1469, 1779, 2373, 4151, 4407, 7709, 10283, 12453, 23127, 30849, 53963, 67009, 161889, 201027, 469063, 871117, 1407189, 2613351, 6097819, 18293457]

約数ペア:

[(1, 18293457), (3, 6097819), (7, 2613351), (13, 1407189), (21, 871117), (39, 469063), (91, 201027), (113, 161889), (273, 67009), (339, 53963), (593, 30849), (791, 23127), (1469, 12453), (1779, 10283), (2373, 7709), (4151, 4407)]