18768540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{44687}}^1$

素因数の和:44706

約数の個数: 48

約数和(自身を含む): 60060672

約数和(自身を除く): 41292132

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 44687, 89374, 134061, 178748, 223435, 268122, 312809, 446870, 536244, 625618, 670305, 893740, 938427, 1251236, 1340610, 1564045, 1876854, 2681220, 3128090, 3753708, 4692135, 6256180, 9384270, 18768540]

約数ペア:

[(1, 18768540), (2, 9384270), (3, 6256180), (4, 4692135), (5, 3753708), (6, 3128090), (7, 2681220), (10, 1876854), (12, 1564045), (14, 1340610), (15, 1251236), (20, 938427), (21, 893740), (28, 670305), (30, 625618), (35, 536244), (42, 446870), (60, 312809), (70, 268122), (84, 223435), (105, 178748), (140, 134061), (210, 89374), (420, 44687)]