18580870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{409}}^1$

素因数の和:493

約数の個数: 64

約数和(自身を含む): 42508800

約数和(自身を除く): 23927930

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 59, 70, 77, 110, 118, 154, 295, 385, 409, 413, 590, 649, 770, 818, 826, 1298, 2045, 2065, 2863, 3245, 4090, 4130, 4499, 4543, 5726, 6490, 8998, 9086, 14315, 22495, 22715, 24131, 28630, 31493, 44990, 45430, 48262, 62986, 120655, 157465, 168917, 241310, 265441, 314930, 337834, 530882, 844585, 1327205, 1689170, 1858087, 2654410, 3716174, 9290435, 18580870]

約数ペア:

[(1, 18580870), (2, 9290435), (5, 3716174), (7, 2654410), (10, 1858087), (11, 1689170), (14, 1327205), (22, 844585), (35, 530882), (55, 337834), (59, 314930), (70, 265441), (77, 241310), (110, 168917), (118, 157465), (154, 120655), (295, 62986), (385, 48262), (409, 45430), (413, 44990), (590, 31493), (649, 28630), (770, 24131), (818, 22715), (826, 22495), (1298, 14315), (2045, 9086), (2065, 8998), (2863, 6490), (3245, 5726), (4090, 4543), (4130, 4499)]