19452688

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{5087}}^1$

素因数の和:5334

約数の個数: 20

約数和(自身を含む): 37854720

約数和(自身を除く): 18402032

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 5087, 10174, 20348, 40696, 81392, 1215793, 2431586, 4863172, 9726344, 19452688]

約数ペア:

[(1, 19452688), (2, 9726344), (4, 4863172), (8, 2431586), (16, 1215793), (239, 81392), (478, 40696), (956, 20348), (1912, 10174), (3824, 5087)]