18243873

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{13249}}^1$

素因数の和:13278

約数の個数: 20

約数和(自身を含む): 28858500

約数和(自身を除く): 10614627

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 13249, 39747, 119241, 225233, 357723, 675699, 1073169, 2027097, 6081291, 18243873]

約数ペア:

[(1, 18243873), (3, 6081291), (9, 2027097), (17, 1073169), (27, 675699), (51, 357723), (81, 225233), (153, 119241), (459, 39747), (1377, 13249)]