18853848

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{20143}}^1$

素因数の和:20168

約数の個数: 48

約数和(自身を含む): 54993120

約数和(自身を除く): 36139272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 20143, 40286, 60429, 80572, 120858, 161144, 181287, 241716, 261859, 362574, 483432, 523718, 725148, 785577, 1047436, 1450296, 1571154, 2094872, 2356731, 3142308, 4713462, 6284616, 9426924, 18853848]

約数ペア:

[(1, 18853848), (2, 9426924), (3, 6284616), (4, 4713462), (6, 3142308), (8, 2356731), (9, 2094872), (12, 1571154), (13, 1450296), (18, 1047436), (24, 785577), (26, 725148), (36, 523718), (39, 483432), (52, 362574), (72, 261859), (78, 241716), (104, 181287), (117, 161144), (156, 120858), (234, 80572), (312, 60429), (468, 40286), (936, 20143)]