18835128

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{20123}}^1$

素因数の和:20148

約数の個数: 48

約数和(自身を含む): 54938520

約数和(自身を除く): 36103392

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, 20123, 40246, 60369, 80492, 120738, 160984, 181107, 241476, 261599, 362214, 482952, 523198, 724428, 784797, 1046396, 1448856, 1569594, 2092792, 2354391, 3139188, 4708782, 6278376, 9417564, 18835128]

約数ペア:

[(1, 18835128), (2, 9417564), (3, 6278376), (4, 4708782), (6, 3139188), (8, 2354391), (9, 2092792), (12, 1569594), (13, 1448856), (18, 1046396), (24, 784797), (26, 724428), (36, 523198), (39, 482952), (52, 362214), (72, 261599), (78, 241476), (104, 181107), (117, 160984), (156, 120738), (234, 80492), (312, 60369), (468, 40246), (936, 20123)]