18321961

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3671}}^1$

素因数の和:3732

約数の個数: 16

約数和(自身を含む): 22560768

約数和(自身を除く): 4238807

約数列:

[1, 7, 23, 31, 161, 217, 713, 3671, 4991, 25697, 84433, 113801, 591031, 796607, 2617423, 18321961]

約数ペア:

[(1, 18321961), (7, 2617423), (23, 796607), (31, 591031), (161, 113801), (217, 84433), (713, 25697), (3671, 4991)]