19985964

素因数分解:

$2^2\times 3^1\times {\mathrm{1151}}^1\times {\mathrm{1447}}^1$

素因数の和:2605

約数の個数: 24

約数和(自身を含む): 46706688

約数和(自身を除く): 26720724

約数列:

[1, 2, 3, 4, 6, 12, 1151, 1447, 2302, 2894, 3453, 4341, 4604, 5788, 6906, 8682, 13812, 17364, 1665497, 3330994, 4996491, 6661988, 9992982, 19985964]

約数ペア:

[(1, 19985964), (2, 9992982), (3, 6661988), (4, 4996491), (6, 3330994), (12, 1665497), (1151, 17364), (1447, 13812), (2302, 8682), (2894, 6906), (3453, 5788), (4341, 4604)]