19945304

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{42257}}^1$

素因数の和:42322

約数の個数: 16

約数和(自身を含む): 38032200

約数和(自身を除く): 18086896

約数列:

[1, 2, 4, 8, 59, 118, 236, 472, 42257, 84514, 169028, 338056, 2493163, 4986326, 9972652, 19945304]

約数ペア:

[(1, 19945304), (2, 9972652), (4, 4986326), (8, 2493163), (59, 338056), (118, 169028), (236, 84514), (472, 42257)]