19168849

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 23349480

約数和(自身を除く): 4180631

約数列:

[1, 7, 37, 49, 97, 109, 259, 679, 763, 1813, 3589, 4033, 4753, 5341, 10573, 25123, 28231, 74011, 175861, 197617, 391201, 518077, 2738407, 19168849]

約数ペア:

[(1, 19168849), (7, 2738407), (37, 518077), (49, 391201), (97, 197617), (109, 175861), (259, 74011), (679, 28231), (763, 25123), (1813, 10573), (3589, 5341), (4033, 4753)]