19989235203

素因数分解:

$3^1\times 7^1\times {\mathrm{197}}^2\times {\mathrm{24527}}^1$

素因数の和:24931

約数の個数: 24

約数和(自身を含む): 30616438272

約数和(自身を除く): 10627203069

約数列:

[1, 3, 7, 21, 197, 591, 1379, 4137, 24527, 38809, 73581, 116427, 171689, 271663, 515067, 814989, 4831819, 14495457, 33822733, 101468199, 951868343, 2855605029, 6663078401, 19989235203]

約数ペア:

[(1, 19989235203), (3, 6663078401), (7, 2855605029), (21, 951868343), (197, 101468199), (591, 33822733), (1379, 14495457), (4137, 4831819), (24527, 814989), (38809, 515067), (73581, 271663), (116427, 171689)]