18704422

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{77291}}^1$

素因数の和:77315

約数の個数: 12

約数和(自身を含む): 30839508

約数和(自身を除く): 12135086

約数列:

[1, 2, 11, 22, 121, 242, 77291, 154582, 850201, 1700402, 9352211, 18704422]

約数ペア:

[(1, 18704422), (2, 9352211), (11, 1700402), (22, 850201), (121, 154582), (242, 77291)]