19033199997

素因数分解:

$3^1\times 7^4\times {\mathrm{1487}}^1\times {\mathrm{1777}}^1$

素因数の和:3295

約数の個数: 40

約数和(自身を含む): 29642019456

約数和(自身を除く): 10608819459

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 1487, 1777, 2401, 4461, 5331, 7203, 10409, 12439, 31227, 37317, 72863, 87073, 218589, 261219, 510041, 609511, 1530123, 1828533, 2642399, 3570287, 4266577, 7927197, 10710861, 12799731, 18496793, 55490379, 129477551, 388432653, 906342857, 2719028571, 6344399999, 19033199997]

約数ペア:

[(1, 19033199997), (3, 6344399999), (7, 2719028571), (21, 906342857), (49, 388432653), (147, 129477551), (343, 55490379), (1029, 18496793), (1487, 12799731), (1777, 10710861), (2401, 7927197), (4461, 4266577), (5331, 3570287), (7203, 2642399), (10409, 1828533), (12439, 1530123), (31227, 609511), (37317, 510041), (72863, 261219), (87073, 218589)]