19699528198

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{857}}^1\times {\mathrm{71387}}^1$

素因数の和:72276

約数の個数: 32

約数和(自身を含む): 35280520704

約数和(自身を除く): 15580992506

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 857, 1714, 5999, 11998, 19711, 39422, 71387, 137977, 142774, 275954, 499709, 999418, 1641901, 3283802, 11493307, 22986614, 61178659, 122357318, 428250613, 856501226, 1407109157, 2814218314, 9849764099, 19699528198]

約数ペア:

[(1, 19699528198), (2, 9849764099), (7, 2814218314), (14, 1407109157), (23, 856501226), (46, 428250613), (161, 122357318), (322, 61178659), (857, 22986614), (1714, 11493307), (5999, 3283802), (11998, 1641901), (19711, 999418), (39422, 499709), (71387, 275954), (137977, 142774)]