18696815

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1\times {\mathrm{443}}^1$

素因数の和:838

約数の個数: 16

約数和(自身を含む): 23528448

約数和(自身を除く): 4831633

約数列:

[1, 5, 23, 115, 367, 443, 1835, 2215, 8441, 10189, 42205, 50945, 162581, 812905, 3739363, 18696815]

約数ペア:

[(1, 18696815), (5, 3739363), (23, 812905), (115, 162581), (367, 50945), (443, 42205), (1835, 10189), (2215, 8441)]