19699967

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{827}}^1$

素因数の和:958

約数の個数: 16

約数和(自身を含む): 23369472

約数和(自身を除く): 3669505

約数列:

[1, 7, 41, 83, 287, 581, 827, 3403, 5789, 23821, 33907, 68641, 237349, 480487, 2814281, 19699967]

約数ペア:

[(1, 19699967), (7, 2814281), (41, 480487), (83, 237349), (287, 68641), (581, 33907), (827, 23821), (3403, 5789)]