19645497

素因数分解:

$3^4\times {\mathrm{409}}^1\times {\mathrm{593}}^1$

素因数の和:1014

約数の個数: 20

約数和(自身を含む): 29468340

約数和(自身を除く): 9822843

約数列:

[1, 3, 9, 27, 81, 409, 593, 1227, 1779, 3681, 5337, 11043, 16011, 33129, 48033, 242537, 727611, 2182833, 6548499, 19645497]

約数ペア:

[(1, 19645497), (3, 6548499), (9, 2182833), (27, 727611), (81, 242537), (409, 48033), (593, 33129), (1227, 16011), (1779, 11043), (3681, 5337)]