18855067

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:339

約数の個数: 24

約数和(自身を含む): 24016608

約数和(自身を除く): 5161541

約数列:

[1, 7, 11, 77, 113, 121, 197, 791, 847, 1243, 1379, 2167, 8701, 13673, 15169, 22261, 23837, 95711, 155827, 166859, 244871, 1714097, 2693581, 18855067]

約数ペア:

[(1, 18855067), (7, 2693581), (11, 1714097), (77, 244871), (113, 166859), (121, 155827), (197, 95711), (791, 23837), (847, 22261), (1243, 15169), (1379, 13673), (2167, 8701)]