18970233

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{149}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 27014400

約数和(自身を除く): 8044167

約数列:

[1, 3, 31, 37, 93, 111, 149, 447, 1147, 1369, 3441, 4107, 4619, 5513, 13857, 16539, 42439, 127317, 170903, 203981, 512709, 611943, 6323411, 18970233]

約数ペア:

[(1, 18970233), (3, 6323411), (31, 611943), (37, 512709), (93, 203981), (111, 170903), (149, 127317), (447, 42439), (1147, 16539), (1369, 13857), (3441, 5513), (4107, 4619)]