19909157744

素因数分解:

$2^4\times 7^1\times {\mathrm{177760337}}^1$

素因数の和:177760352

約数の個数: 20

約数和(自身を含む): 44084563824

約数和(自身を除く): 24175406080

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 177760337, 355520674, 711041348, 1244322359, 1422082696, 2488644718, 2844165392, 4977289436, 9954578872, 19909157744]

約数ペア:

[(1, 19909157744), (2, 9954578872), (4, 4977289436), (7, 2844165392), (8, 2488644718), (14, 1422082696), (16, 1244322359), (28, 711041348), (56, 355520674), (112, 177760337)]