18538069

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1559}}^1$

素因数の和:1640

約数の個数: 16

約数和(自身を含む): 21565440

約数和(自身を除く): 3027371

約数列:

[1, 11, 23, 47, 253, 517, 1081, 1559, 11891, 17149, 35857, 73273, 394427, 806003, 1685279, 18538069]

約数ペア:

[(1, 18538069), (11, 1685279), (23, 806003), (47, 394427), (253, 73273), (517, 35857), (1081, 17149), (1559, 11891)]