18722230

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{81401}}^1$

素因数の和:81431

約数の個数: 16

約数和(自身を含む): 35165664

約数和(自身を除く): 16443434

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 81401, 162802, 407005, 814010, 1872223, 3744446, 9361115, 18722230]

約数ペア:

[(1, 18722230), (2, 9361115), (5, 3744446), (10, 1872223), (23, 814010), (46, 407005), (115, 162802), (230, 81401)]