18668545

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 27417600

約数和(自身を除く): 8749055

約数列:

[1, 5, 7, 19, 35, 67, 95, 133, 335, 419, 469, 665, 1273, 2095, 2345, 2933, 6365, 7961, 8911, 14665, 28073, 39805, 44555, 55727, 140365, 196511, 278635, 533387, 982555, 2666935, 3733709, 18668545]

約数ペア:

[(1, 18668545), (5, 3733709), (7, 2666935), (19, 982555), (35, 533387), (67, 278635), (95, 196511), (133, 140365), (335, 55727), (419, 44555), (469, 39805), (665, 28073), (1273, 14665), (2095, 8911), (2345, 7961), (2933, 6365)]