18268081

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{631}}^1$

素因数の和:792

約数の個数: 16

約数和(自身を含む): 21022848

約数和(自身を除く): 2754767

約数列:

[1, 13, 17, 131, 221, 631, 1703, 2227, 8203, 10727, 28951, 82661, 139451, 1074593, 1405237, 18268081]

約数ペア:

[(1, 18268081), (13, 1405237), (17, 1074593), (131, 139451), (221, 82661), (631, 28951), (1703, 10727), (2227, 8203)]