18423790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:433

約数の個数: 64

約数和(自身を含む): 42052608

約数和(自身を除く): 23628818

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 71, 77, 110, 142, 154, 337, 355, 385, 497, 674, 710, 770, 781, 994, 1562, 1685, 2359, 2485, 3370, 3707, 3905, 4718, 4970, 5467, 7414, 7810, 10934, 11795, 18535, 23590, 23927, 25949, 27335, 37070, 47854, 51898, 54670, 119635, 129745, 167489, 239270, 259490, 263197, 334978, 526394, 837445, 1315985, 1674890, 1842379, 2631970, 3684758, 9211895, 18423790]

約数ペア:

[(1, 18423790), (2, 9211895), (5, 3684758), (7, 2631970), (10, 1842379), (11, 1674890), (14, 1315985), (22, 837445), (35, 526394), (55, 334978), (70, 263197), (71, 259490), (77, 239270), (110, 167489), (142, 129745), (154, 119635), (337, 54670), (355, 51898), (385, 47854), (497, 37070), (674, 27335), (710, 25949), (770, 23927), (781, 23590), (994, 18535), (1562, 11795), (1685, 10934), (2359, 7810), (2485, 7414), (3370, 5467), (3707, 4970), (3905, 4718)]