18121337

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{491}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 20829312

約数和(自身を除く): 2707975

約数列:

[1, 13, 17, 167, 221, 491, 2171, 2839, 6383, 8347, 36907, 81997, 108511, 1065961, 1393949, 18121337]

約数ペア:

[(1, 18121337), (13, 1393949), (17, 1065961), (167, 108511), (221, 81997), (491, 36907), (2171, 8347), (2839, 6383)]