18915697984

素因数分解:

$2^6\times {\mathrm{757}}^1\times {\mathrm{390433}}^1$

素因数の和:391202

約数の個数: 28

約数和(自身を含む): 37585519444

約数和(自身を除く): 18669821460

約数列:

[1, 2, 4, 8, 16, 32, 64, 757, 1514, 3028, 6056, 12112, 24224, 48448, 390433, 780866, 1561732, 3123464, 6246928, 12493856, 24987712, 295557781, 591115562, 1182231124, 2364462248, 4728924496, 9457848992, 18915697984]

約数ペア:

[(1, 18915697984), (2, 9457848992), (4, 4728924496), (8, 2364462248), (16, 1182231124), (32, 591115562), (64, 295557781), (757, 24987712), (1514, 12493856), (3028, 6246928), (6056, 3123464), (12112, 1561732), (24224, 780866), (48448, 390433)]