19428420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29437}}^1$

素因数の和:29460

約数の個数: 48

約数和(自身を含む): 59347008

約数和(自身を除く): 39918588

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, 29437, 58874, 88311, 117748, 147185, 176622, 294370, 323807, 353244, 441555, 588740, 647614, 883110, 971421, 1295228, 1619035, 1766220, 1942842, 3238070, 3885684, 4857105, 6476140, 9714210, 19428420]

約数ペア:

[(1, 19428420), (2, 9714210), (3, 6476140), (4, 4857105), (5, 3885684), (6, 3238070), (10, 1942842), (11, 1766220), (12, 1619035), (15, 1295228), (20, 971421), (22, 883110), (30, 647614), (33, 588740), (44, 441555), (55, 353244), (60, 323807), (66, 294370), (110, 176622), (132, 147185), (165, 117748), (220, 88311), (330, 58874), (660, 29437)]