19669438

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{1129}}^1$

素因数の和:1443

約数の個数: 16

約数和(自身を含む): 30591360

約数和(自身を除く): 10921922

約数列:

[1, 2, 31, 62, 281, 562, 1129, 2258, 8711, 17422, 34999, 69998, 317249, 634498, 9834719, 19669438]

約数ペア:

[(1, 19669438), (2, 9834719), (31, 634498), (62, 317249), (281, 69998), (562, 34999), (1129, 17422), (2258, 8711)]