19961168

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{15031}}^1$

素因数の和:15122

約数の個数: 20

約数和(自身を含む): 39143328

約数和(自身を除く): 19182160

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 15031, 30062, 60124, 120248, 240496, 1247573, 2495146, 4990292, 9980584, 19961168]

約数ペア:

[(1, 19961168), (2, 9980584), (4, 4990292), (8, 2495146), (16, 1247573), (83, 240496), (166, 120248), (332, 60124), (664, 30062), (1328, 15031)]