20194333768

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18979637}}^1$

素因数の和:18979669

約数の個数: 32

約数和(自身を含む): 45551131200

約数和(自身を除く): 25356797432

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 18979637, 37959274, 75918548, 132857459, 151837096, 265714918, 360613103, 531429836, 721226206, 1062859672, 1442452412, 2524291721, 2884904824, 5048583442, 10097166884, 20194333768]

約数ペア:

[(1, 20194333768), (2, 10097166884), (4, 5048583442), (7, 2884904824), (8, 2524291721), (14, 1442452412), (19, 1062859672), (28, 721226206), (38, 531429836), (56, 360613103), (76, 265714918), (133, 151837096), (152, 132857459), (266, 75918548), (532, 37959274), (1064, 18979637)]