18798507

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1093}}^1$

素因数の和:1129

約数の個数: 48

約数和(自身を含む): 34920480

約数和(自身を除く): 16121973

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 189, 273, 351, 441, 637, 819, 1093, 1323, 1911, 2457, 3279, 5733, 7651, 9837, 14209, 17199, 22953, 29511, 42627, 53557, 68859, 99463, 127881, 160671, 206577, 298389, 383643, 482013, 696241, 895167, 1446039, 2088723, 2685501, 6266169, 18798507]

約数ペア:

[(1, 18798507), (3, 6266169), (7, 2685501), (9, 2088723), (13, 1446039), (21, 895167), (27, 696241), (39, 482013), (49, 383643), (63, 298389), (91, 206577), (117, 160671), (147, 127881), (189, 99463), (273, 68859), (351, 53557), (441, 42627), (637, 29511), (819, 22953), (1093, 17199), (1323, 14209), (1911, 9837), (2457, 7651), (3279, 5733)]