18671965

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1163}}^1$

素因数の和:1213

約数の個数: 24

約数和(自身を含む): 25561440

約数和(自身を除く): 6889475

約数列:

[1, 5, 13, 19, 65, 95, 169, 247, 845, 1163, 1235, 3211, 5815, 15119, 16055, 22097, 75595, 110485, 196547, 287261, 982735, 1436305, 3734393, 18671965]

約数ペア:

[(1, 18671965), (5, 3734393), (13, 1436305), (19, 982735), (65, 287261), (95, 196547), (169, 110485), (247, 75595), (845, 22097), (1163, 16055), (1235, 15119), (3211, 5815)]