19934551

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{499}}^1$

素因数の和:958

約数の個数: 16

約数和(自身を含む): 24640000

約数和(自身を除く): 4705449

約数列:

[1, 7, 13, 91, 439, 499, 3073, 3493, 5707, 6487, 39949, 45409, 219061, 1533427, 2847793, 19934551]

約数ペア:

[(1, 19934551), (7, 2847793), (13, 1533427), (91, 219061), (439, 45409), (499, 39949), (3073, 6487), (3493, 5707)]