18257233

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:412

約数の個数: 16

約数和(自身を含む): 20070400

約数和(自身を除く): 1813167

約数列:

[1, 19, 31, 139, 223, 589, 2641, 4237, 4309, 6913, 30997, 81871, 131347, 588943, 960907, 18257233]

約数ペア:

[(1, 18257233), (19, 960907), (31, 588943), (139, 131347), (223, 81871), (589, 30997), (2641, 6913), (4237, 4309)]