19803190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2687}}^1$

素因数の和:2772

約数の個数: 32

約数和(自身を含む): 39481344

約数和(自身を除く): 19678154

約数列:

[1, 2, 5, 10, 11, 22, 55, 67, 110, 134, 335, 670, 737, 1474, 2687, 3685, 5374, 7370, 13435, 26870, 29557, 59114, 147785, 180029, 295570, 360058, 900145, 1800290, 1980319, 3960638, 9901595, 19803190]

約数ペア:

[(1, 19803190), (2, 9901595), (5, 3960638), (10, 1980319), (11, 1800290), (22, 900145), (55, 360058), (67, 295570), (110, 180029), (134, 147785), (335, 59114), (670, 29557), (737, 26870), (1474, 13435), (2687, 7370), (3685, 5374)]