2019550169

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 2718999360

約数和(自身を除く): 699449191

約数列:

[1, 7, 13, 29, 37, 43, 91, 169, 203, 259, 301, 377, 481, 559, 1073, 1183, 1247, 1369, 1591, 2639, 3367, 3913, 4901, 6253, 7267, 7511, 8729, 9583, 11137, 13949, 16211, 17797, 20683, 34307, 39701, 43771, 46139, 50869, 58867, 97643, 113477, 124579, 144781, 181337, 210743, 231361, 268879, 277907, 322973, 412069, 516113, 599807, 765271, 1269359, 1475201, 1619527, 1707143, 1882153, 3612791, 4198649, 5356897, 6709469, 7797491, 9948523, 11950001, 22192859, 46966283, 54582437, 69639661, 155350013, 288507167, 2019550169]

約数ペア:

[(1, 2019550169), (7, 288507167), (13, 155350013), (29, 69639661), (37, 54582437), (43, 46966283), (91, 22192859), (169, 11950001), (203, 9948523), (259, 7797491), (301, 6709469), (377, 5356897), (481, 4198649), (559, 3612791), (1073, 1882153), (1183, 1707143), (1247, 1619527), (1369, 1475201), (1591, 1269359), (2639, 765271), (3367, 599807), (3913, 516113), (4901, 412069), (6253, 322973), (7267, 277907), (7511, 268879), (8729, 231361), (9583, 210743), (11137, 181337), (13949, 144781), (16211, 124579), (17797, 113477), (20683, 97643), (34307, 58867), (39701, 50869), (43771, 46139)]