18339724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{367}}^1$

素因数の和:446

約数の個数: 36

約数和(自身を含む): 35811552

約数和(自身を除く): 17471828

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 367, 403, 734, 806, 961, 1468, 1612, 1922, 3844, 4771, 9542, 11377, 12493, 19084, 22754, 24986, 45508, 49972, 147901, 295802, 352687, 591604, 705374, 1410748, 4584931, 9169862, 18339724]

約数ペア:

[(1, 18339724), (2, 9169862), (4, 4584931), (13, 1410748), (26, 705374), (31, 591604), (52, 352687), (62, 295802), (124, 147901), (367, 49972), (403, 45508), (734, 24986), (806, 22754), (961, 19084), (1468, 12493), (1612, 11377), (1922, 9542), (3844, 4771)]