19991052

素因数分解:

$2^2\times 3^2\times {\mathrm{555307}}^1$

素因数の和:555317

約数の個数: 18

約数和(自身を含む): 50533028

約数和(自身を除く): 30541976

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 555307, 1110614, 1665921, 2221228, 3331842, 4997763, 6663684, 9995526, 19991052]

約数ペア:

[(1, 19991052), (2, 9995526), (3, 6663684), (4, 4997763), (6, 3331842), (9, 2221228), (12, 1665921), (18, 1110614), (36, 555307)]