19505872

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{20663}}^1$

素因数の和:20730

約数の個数: 20

約数和(自身を含む): 38435040

約数和(自身を除く): 18929168

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 20663, 41326, 82652, 165304, 330608, 1219117, 2438234, 4876468, 9752936, 19505872]

約数ペア:

[(1, 19505872), (2, 9752936), (4, 4876468), (8, 2438234), (16, 1219117), (59, 330608), (118, 165304), (236, 82652), (472, 41326), (944, 20663)]