18388686

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:528

約数の個数: 32

約数和(自身を含む): 37699200

約数和(自身を除く): 19310514

約数列:

[1, 2, 3, 6, 67, 134, 149, 201, 298, 307, 402, 447, 614, 894, 921, 1842, 9983, 19966, 20569, 29949, 41138, 45743, 59898, 61707, 91486, 123414, 137229, 274458, 3064781, 6129562, 9194343, 18388686]

約数ペア:

[(1, 18388686), (2, 9194343), (3, 6129562), (6, 3064781), (67, 274458), (134, 137229), (149, 123414), (201, 91486), (298, 61707), (307, 59898), (402, 45743), (447, 41138), (614, 29949), (894, 20569), (921, 19966), (1842, 9983)]