19729016

素因数分解:

$2^3\times {\mathrm{313}}^1\times {\mathrm{7879}}^1$

素因数の和:8198

約数の個数: 16

約数和(自身を含む): 37114800

約数和(自身を除く): 17385784

約数列:

[1, 2, 4, 8, 313, 626, 1252, 2504, 7879, 15758, 31516, 63032, 2466127, 4932254, 9864508, 19729016]

約数ペア:

[(1, 19729016), (2, 9864508), (4, 4932254), (8, 2466127), (313, 63032), (626, 31516), (1252, 15758), (2504, 7879)]