18860529

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{4481}}^1$

素因数の和:4568

約数の個数: 16

約数和(自身を含む): 26676864

約数和(自身を除く): 7816335

約数列:

[1, 3, 23, 61, 69, 183, 1403, 4209, 4481, 13443, 103063, 273341, 309189, 820023, 6286843, 18860529]

約数ペア:

[(1, 18860529), (3, 6286843), (23, 820023), (61, 309189), (69, 273341), (183, 103063), (1403, 13443), (4209, 4481)]