19926839

素因数分解:

${\mathrm{17}}^2\times {\mathrm{19}}^2\times {\mathrm{191}}^1$

素因数の和:263

約数の個数: 18

約数和(自身を含む): 22457664

約数和(自身を除く): 2530825

約数列:

[1, 17, 19, 191, 289, 323, 361, 3247, 3629, 5491, 6137, 55199, 61693, 68951, 104329, 1048781, 1172167, 19926839]

約数ペア:

[(1, 19926839), (17, 1172167), (19, 1048781), (191, 104329), (289, 68951), (323, 61693), (361, 55199), (3247, 6137), (3629, 5491)]