18696217

素因数分解:

${\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^2$

素因数の和:308

約数の個数: 12

約数和(自身を含む): 19970496

約数和(自身を除く): 1274279

約数列:

[1, 23, 71, 107, 1633, 2461, 7597, 11449, 174731, 263327, 812879, 18696217]

約数ペア:

[(1, 18696217), (23, 812879), (71, 263327), (107, 174731), (1633, 11449), (2461, 7597)]