18640459201

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{503}}^1\times {\mathrm{1439}}^1$

素因数の和:2245

約数の個数: 32

約数和(自身を含む): 23084974080

約数和(自身を除く): 4444514879

約数列:

[1, 7, 13, 91, 283, 503, 1439, 1981, 3521, 3679, 6539, 10073, 18707, 25753, 45773, 130949, 142349, 407237, 723817, 996443, 1850537, 2850659, 5066719, 5294081, 9409621, 12953759, 37058567, 65867347, 204840211, 1433881477, 2662922743, 18640459201]

約数ペア:

[(1, 18640459201), (7, 2662922743), (13, 1433881477), (91, 204840211), (283, 65867347), (503, 37058567), (1439, 12953759), (1981, 9409621), (3521, 5294081), (3679, 5066719), (6539, 2850659), (10073, 1850537), (18707, 996443), (25753, 723817), (45773, 407237), (130949, 142349)]