18197531

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4231}}^1$

素因数の和:4282

約数の個数: 16

約数和(自身を含む): 21938688

約数和(自身を除く): 3741157

約数列:

[1, 11, 17, 23, 187, 253, 391, 4231, 4301, 46541, 71927, 97313, 791197, 1070443, 1654321, 18197531]

約数ペア:

[(1, 18197531), (11, 1654321), (17, 1070443), (23, 791197), (187, 97313), (253, 71927), (391, 46541), (4231, 4301)]