18685994

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2\times {\mathrm{163}}^1$

素因数の和:282

約数の個数: 24

約数和(自身を含む): 29803392

約数和(自身を除く): 11117398

約数列:

[1, 2, 31, 43, 62, 86, 163, 326, 1333, 1849, 2666, 3698, 5053, 7009, 10106, 14018, 57319, 114638, 217279, 301387, 434558, 602774, 9342997, 18685994]

約数ペア:

[(1, 18685994), (2, 9342997), (31, 602774), (43, 434558), (62, 301387), (86, 217279), (163, 114638), (326, 57319), (1333, 14018), (1849, 10106), (2666, 7009), (3698, 5053)]