19808635

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2237}}^1$

素因数の和:2283

約数の個数: 32

約数和(自身を含む): 30938112

約数和(自身を除く): 11129477

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1771, 2237, 8855, 11185, 15659, 24607, 51451, 78295, 123035, 172249, 257255, 360157, 565961, 861245, 1800785, 2829805, 3961727, 19808635]

約数ペア:

[(1, 19808635), (5, 3961727), (7, 2829805), (11, 1800785), (23, 861245), (35, 565961), (55, 360157), (77, 257255), (115, 172249), (161, 123035), (253, 78295), (385, 51451), (805, 24607), (1265, 15659), (1771, 11185), (2237, 8855)]