18733743

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2887}}^1$

素因数の和:3003

約数の個数: 24

約数和(自身を含む): 31236608

約数和(自身を除く): 12502865

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 2887, 6489, 8661, 20209, 25983, 60627, 181881, 297361, 892083, 2081527, 2676249, 6244581, 18733743]

約数ペア:

[(1, 18733743), (3, 6244581), (7, 2676249), (9, 2081527), (21, 892083), (63, 297361), (103, 181881), (309, 60627), (721, 25983), (927, 20209), (2163, 8661), (2887, 6489)]