18705907

素因数分解:

${\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:374

約数の個数: 16

約数和(自身を含む): 20930400

約数和(自身を除く): 2224493

約数列:

[1, 11, 101, 113, 149, 1111, 1243, 1639, 11413, 15049, 16837, 125543, 165539, 185207, 1700537, 18705907]

約数ペア:

[(1, 18705907), (11, 1700537), (101, 185207), (113, 165539), (149, 125543), (1111, 16837), (1243, 15049), (1639, 11413)]