18988896969

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2926321}}^1$

素因数の和:2926437

約数の個数: 24

約数和(自身を含む): 31651098752

約数和(自身を除く): 12662201783

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 6489, 2926321, 8778963, 20484247, 26336889, 61452741, 184358223, 301411063, 904233189, 2109877441, 2712699567, 6329632323, 18988896969]

約数ペア:

[(1, 18988896969), (3, 6329632323), (7, 2712699567), (9, 2109877441), (21, 904233189), (63, 301411063), (103, 184358223), (309, 61452741), (721, 26336889), (927, 20484247), (2163, 8778963), (6489, 2926321)]