18705335

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1423}}^1$

素因数の和:1678

約数の個数: 16

約数和(自身を含む): 24606720

約数和(自身を除く): 5901385

約数列:

[1, 5, 11, 55, 239, 1195, 1423, 2629, 7115, 13145, 15653, 78265, 340097, 1700485, 3741067, 18705335]

約数ペア:

[(1, 18705335), (5, 3741067), (11, 1700485), (55, 340097), (239, 78265), (1195, 15653), (1423, 13145), (2629, 7115)]