18204812

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{7727}}^1$

素因数の和:7781

約数の個数: 24

約数和(自身を含む): 34621440

約数和(自身を除く): 16416628

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 1178, 2356, 7727, 15454, 30908, 146813, 239537, 293626, 479074, 587252, 958148, 4551203, 9102406, 18204812]

約数ペア:

[(1, 18204812), (2, 9102406), (4, 4551203), (19, 958148), (31, 587252), (38, 479074), (62, 293626), (76, 239537), (124, 146813), (589, 30908), (1178, 15454), (2356, 7727)]