18808724

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{38861}}^1$

素因数の和:38887

約数の個数: 18

約数和(自身を含む): 36180522

約数和(自身を除く): 17371798

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 38861, 77722, 155444, 427471, 854942, 1709884, 4702181, 9404362, 18808724]

約数ペア:

[(1, 18808724), (2, 9404362), (4, 4702181), (11, 1709884), (22, 854942), (44, 427471), (121, 155444), (242, 77722), (484, 38861)]