18007795

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:343

約数の個数: 24

約数和(自身を含む): 23743152

約数和(自身を除く): 5735357

約数列:

[1, 5, 13, 65, 101, 169, 211, 505, 845, 1055, 1313, 2743, 6565, 13715, 17069, 21311, 35659, 85345, 106555, 178295, 277043, 1385215, 3601559, 18007795]

約数ペア:

[(1, 18007795), (5, 3601559), (13, 1385215), (65, 277043), (101, 178295), (169, 106555), (211, 85345), (505, 35659), (845, 21311), (1055, 17069), (1313, 13715), (2743, 6565)]