19910799

素因数分解:

$3^3\times {\mathrm{349}}^1\times {\mathrm{2113}}^1$

素因数の和:2471

約数の個数: 16

約数和(自身を含む): 29596000

約数和(自身を除く): 9685201

約数列:

[1, 3, 9, 27, 349, 1047, 2113, 3141, 6339, 9423, 19017, 57051, 737437, 2212311, 6636933, 19910799]

約数ペア:

[(1, 19910799), (3, 6636933), (9, 2212311), (27, 737437), (349, 57051), (1047, 19017), (2113, 9423), (3141, 6339)]