18472223

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:335

約数の個数: 24

約数和(自身を含む): 23531424

約数和(自身を除く): 5059201

約数列:

[1, 7, 11, 77, 113, 121, 193, 791, 847, 1243, 1351, 2123, 8701, 13673, 14861, 21809, 23353, 95711, 152663, 163471, 239899, 1679293, 2638889, 18472223]

約数ペア:

[(1, 18472223), (7, 2638889), (11, 1679293), (77, 239899), (113, 163471), (121, 152663), (193, 95711), (791, 23353), (847, 21809), (1243, 14861), (1351, 13673), (2123, 8701)]