18503373

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 29827072

約数和(自身を除く): 11323699

約数列:

[1, 3, 7, 21, 31, 43, 93, 129, 217, 301, 651, 661, 903, 1333, 1983, 3999, 4627, 9331, 13881, 20491, 27993, 28423, 61473, 85269, 143437, 198961, 430311, 596883, 881113, 2643339, 6167791, 18503373]

約数ペア:

[(1, 18503373), (3, 6167791), (7, 2643339), (21, 881113), (31, 596883), (43, 430311), (93, 198961), (129, 143437), (217, 85269), (301, 61473), (651, 28423), (661, 27993), (903, 20491), (1333, 13881), (1983, 9331), (3999, 4627)]