18702131

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{443}}^1$

素因数の和:650

約数の個数: 16

約数和(自身を含む): 22136064

約数和(自身を除く): 3433933

約数列:

[1, 7, 37, 163, 259, 443, 1141, 3101, 6031, 16391, 42217, 72209, 114737, 505463, 2671733, 18702131]

約数ペア:

[(1, 18702131), (7, 2671733), (37, 505463), (163, 114737), (259, 72209), (443, 42217), (1141, 16391), (3101, 6031)]