19961752

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{60859}}^1$

素因数の和:60906

約数の個数: 16

約数和(自身を含む): 38341800

約数和(自身を除く): 18380048

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 60859, 121718, 243436, 486872, 2495219, 4990438, 9980876, 19961752]

約数ペア:

[(1, 19961752), (2, 9980876), (4, 4990438), (8, 2495219), (41, 486872), (82, 243436), (164, 121718), (328, 60859)]