18209867

素因数分解:

${\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:374

約数の個数: 16

約数和(自身を含む): 20180160

約数和(自身を除く): 1970293

約数列:

[1, 13, 71, 109, 181, 923, 1417, 2353, 7739, 12851, 19729, 100607, 167063, 256477, 1400759, 18209867]

約数ペア:

[(1, 18209867), (13, 1400759), (71, 256477), (109, 167063), (181, 100607), (923, 19729), (1417, 12851), (2353, 7739)]