19838581

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{607}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 24952320

約数和(自身を除く): 5113739

約数列:

[1, 7, 23, 29, 49, 161, 203, 607, 667, 1127, 1421, 4249, 4669, 13961, 17603, 29743, 32683, 97727, 123221, 404869, 684089, 862547, 2834083, 19838581]

約数ペア:

[(1, 19838581), (7, 2834083), (23, 862547), (29, 684089), (49, 404869), (161, 123221), (203, 97727), (607, 32683), (667, 29743), (1127, 17603), (1421, 13961), (4249, 4669)]