18268371

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 30730752

約数和(自身を除く): 12462381

約数列:

[1, 3, 9, 11, 23, 33, 69, 71, 99, 113, 207, 213, 253, 339, 639, 759, 781, 1017, 1243, 1633, 2277, 2343, 2599, 3729, 4899, 7029, 7797, 8023, 11187, 14697, 17963, 23391, 24069, 28589, 53889, 72207, 85767, 88253, 161667, 184529, 257301, 264759, 553587, 794277, 1660761, 2029819, 6089457, 18268371]

約数ペア:

[(1, 18268371), (3, 6089457), (9, 2029819), (11, 1660761), (23, 794277), (33, 553587), (69, 264759), (71, 257301), (99, 184529), (113, 161667), (207, 88253), (213, 85767), (253, 72207), (339, 53889), (639, 28589), (759, 24069), (781, 23391), (1017, 17963), (1243, 14697), (1633, 11187), (2277, 8023), (2343, 7797), (2599, 7029), (3729, 4899)]