18859988

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{9227}}^1$

素因数の和:9311

約数の個数: 24

約数和(自身を含む): 38240832

約数和(自身を除く): 19380844

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 9227, 18454, 36908, 64589, 129178, 258356, 673571, 1347142, 2694284, 4714997, 9429994, 18859988]

約数ペア:

[(1, 18859988), (2, 9429994), (4, 4714997), (7, 2694284), (14, 1347142), (28, 673571), (73, 258356), (146, 129178), (292, 64589), (511, 36908), (1022, 18454), (2044, 9227)]