18455080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3469}}^1$

素因数の和:3506

約数の個数: 64

約数和(自身を含む): 49968000

約数和(自身を除く): 31512920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 3469, 5320, 6938, 13876, 17345, 24283, 27752, 34690, 48566, 65911, 69380, 97132, 121415, 131822, 138760, 194264, 242830, 263644, 329555, 461377, 485660, 527288, 659110, 922754, 971320, 1318220, 1845508, 2306885, 2636440, 3691016, 4613770, 9227540, 18455080]

約数ペア:

[(1, 18455080), (2, 9227540), (4, 4613770), (5, 3691016), (7, 2636440), (8, 2306885), (10, 1845508), (14, 1318220), (19, 971320), (20, 922754), (28, 659110), (35, 527288), (38, 485660), (40, 461377), (56, 329555), (70, 263644), (76, 242830), (95, 194264), (133, 138760), (140, 131822), (152, 121415), (190, 97132), (266, 69380), (280, 65911), (380, 48566), (532, 34690), (665, 27752), (760, 24283), (1064, 17345), (1330, 13876), (2660, 6938), (3469, 5320)]