19902452

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{953}}^1$

素因数の和:1207

約数の個数: 24

約数和(自身を含む): 36542016

約数和(自身を除く): 16639564

約数列:

[1, 2, 4, 23, 46, 92, 227, 454, 908, 953, 1906, 3812, 5221, 10442, 20884, 21919, 43838, 87676, 216331, 432662, 865324, 4975613, 9951226, 19902452]

約数ペア:

[(1, 19902452), (2, 9951226), (4, 4975613), (23, 865324), (46, 432662), (92, 216331), (227, 87676), (454, 43838), (908, 21919), (953, 20884), (1906, 10442), (3812, 5221)]