19009971

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{6343}}^1$

素因数の和:6392

約数の個数: 20

約数和(自身を含む): 29169712

約数和(自身を除く): 10159741

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 6343, 19029, 57087, 171261, 234691, 513783, 704073, 2112219, 6336657, 19009971]

約数ペア:

[(1, 19009971), (3, 6336657), (9, 2112219), (27, 704073), (37, 513783), (81, 234691), (111, 171261), (333, 57087), (999, 19029), (2997, 6343)]