18006780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{27283}}^1$

素因数の和:27306

約数の個数: 48

約数和(自身を含む): 55004544

約数和(自身を除く): 36997764

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 27283, 54566, 81849, 109132, 136415, 163698, 272830, 300113, 327396, 409245, 545660, 600226, 818490, 900339, 1200452, 1500565, 1636980, 1800678, 3001130, 3601356, 4501695, 6002260, 9003390, 18006780]

約数ペア:

[(1, 18006780), (2, 9003390), (3, 6002260), (4, 4501695), (5, 3601356), (6, 3001130), (10, 1800678), (11, 1636980), (12, 1500565), (15, 1200452), (20, 900339), (22, 818490), (30, 600226), (33, 545660), (44, 409245), (55, 327396), (60, 300113), (66, 272830), (110, 163698), (132, 136415), (165, 109132), (220, 81849), (330, 54566), (660, 27283)]