18987666

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 38923200

約数和(自身を除く): 19935534

約数列:

[1, 2, 3, 6, 67, 134, 149, 201, 298, 317, 402, 447, 634, 894, 951, 1902, 9983, 19966, 21239, 29949, 42478, 47233, 59898, 63717, 94466, 127434, 141699, 283398, 3164611, 6329222, 9493833, 18987666]

約数ペア:

[(1, 18987666), (2, 9493833), (3, 6329222), (6, 3164611), (67, 283398), (134, 141699), (149, 127434), (201, 94466), (298, 63717), (317, 59898), (402, 47233), (447, 42478), (634, 29949), (894, 21239), (951, 19966), (1902, 9983)]