19865584

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{26417}}^1$

素因数の和:26472

約数の個数: 20

約数和(自身を含む): 39309984

約数和(自身を除く): 19444400

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 26417, 52834, 105668, 211336, 422672, 1241599, 2483198, 4966396, 9932792, 19865584]

約数ペア:

[(1, 19865584), (2, 9932792), (4, 4966396), (8, 2483198), (16, 1241599), (47, 422672), (94, 211336), (188, 105668), (376, 52834), (752, 26417)]