18337924

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{1019}}^1$

素因数の和:1443

約数の個数: 24

約数和(自身を含む): 35128800

約数和(自身を除く): 16790876

約数列:

[1, 2, 4, 11, 22, 44, 409, 818, 1019, 1636, 2038, 4076, 4499, 8998, 11209, 17996, 22418, 44836, 416771, 833542, 1667084, 4584481, 9168962, 18337924]

約数ペア:

[(1, 18337924), (2, 9168962), (4, 4584481), (11, 1667084), (22, 833542), (44, 416771), (409, 44836), (818, 22418), (1019, 17996), (1636, 11209), (2038, 8998), (4076, 4499)]