18967480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67741}}^1$

素因数の和:67759

約数の個数: 32

約数和(自身を含む): 48774240

約数和(自身を除く): 29806760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 67741, 135482, 270964, 338705, 474187, 541928, 677410, 948374, 1354820, 1896748, 2370935, 2709640, 3793496, 4741870, 9483740, 18967480]

約数ペア:

[(1, 18967480), (2, 9483740), (4, 4741870), (5, 3793496), (7, 2709640), (8, 2370935), (10, 1896748), (14, 1354820), (20, 948374), (28, 677410), (35, 541928), (40, 474187), (56, 338705), (70, 270964), (140, 135482), (280, 67741)]