18820270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{268861}}^1$

素因数の和:268875

約数の個数: 16

約数和(自身を含む): 38716128

約数和(自身を除く): 19895858

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 268861, 537722, 1344305, 1882027, 2688610, 3764054, 9410135, 18820270]

約数ペア:

[(1, 18820270), (2, 9410135), (5, 3764054), (7, 2688610), (10, 1882027), (14, 1344305), (35, 537722), (70, 268861)]