18689964

素因数分解:

$2^2\times 3^1\times {\mathrm{149}}^1\times {\mathrm{10453}}^1$

素因数の和:10609

約数の個数: 24

約数和(自身を含む): 43906800

約数和(自身を除く): 25216836

約数列:

[1, 2, 3, 4, 6, 12, 149, 298, 447, 596, 894, 1788, 10453, 20906, 31359, 41812, 62718, 125436, 1557497, 3114994, 4672491, 6229988, 9344982, 18689964]

約数ペア:

[(1, 18689964), (2, 9344982), (3, 6229988), (4, 4672491), (6, 3114994), (12, 1557497), (149, 125436), (298, 62718), (447, 41812), (596, 31359), (894, 20906), (1788, 10453)]