19628273

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{727}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 24897600

約数和(自身を除く): 5269327

約数列:

[1, 7, 19, 29, 49, 133, 203, 551, 727, 931, 1421, 3857, 5089, 13813, 21083, 26999, 35623, 96691, 147581, 400577, 676837, 1033067, 2804039, 19628273]

約数ペア:

[(1, 19628273), (7, 2804039), (19, 1033067), (29, 676837), (49, 400577), (133, 147581), (203, 96691), (551, 35623), (727, 26999), (931, 21083), (1421, 13813), (3857, 5089)]