19730192

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{9001}}^1$

素因数の和:9146

約数の個数: 20

約数和(自身を含む): 38510556

約数和(自身を除く): 18780364

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 9001, 18002, 36004, 72008, 144016, 1233137, 2466274, 4932548, 9865096, 19730192]

約数ペア:

[(1, 19730192), (2, 9865096), (4, 4932548), (8, 2466274), (16, 1233137), (137, 144016), (274, 72008), (548, 36004), (1096, 18002), (2192, 9001)]