18704797

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{409}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 20664000

約数和(自身を除く): 1959203

約数列:

[1, 19, 29, 83, 409, 551, 1577, 2407, 7771, 11861, 33947, 45733, 225359, 644993, 984463, 18704797]

約数ペア:

[(1, 18704797), (19, 984463), (29, 644993), (83, 225359), (409, 45733), (551, 33947), (1577, 11861), (2407, 7771)]