18168964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{491}}^1$

素因数の和:564

約数の個数: 36

約数和(自身を含む): 35996688

約数和(自身を除く): 17827724

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 319, 491, 638, 841, 982, 1276, 1682, 1964, 3364, 5401, 9251, 10802, 14239, 18502, 21604, 28478, 37004, 56956, 156629, 313258, 412931, 626516, 825862, 1651724, 4542241, 9084482, 18168964]

約数ペア:

[(1, 18168964), (2, 9084482), (4, 4542241), (11, 1651724), (22, 825862), (29, 626516), (44, 412931), (58, 313258), (116, 156629), (319, 56956), (491, 37004), (638, 28478), (841, 21604), (982, 18502), (1276, 14239), (1682, 10802), (1964, 9251), (3364, 5401)]