19896545

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2963}}^1$

素因数の和:3064

約数の個数: 16

約数和(自身を含む): 25608960

約数和(自身を除く): 5712415

約数列:

[1, 5, 17, 79, 85, 395, 1343, 2963, 6715, 14815, 50371, 234077, 251855, 1170385, 3979309, 19896545]

約数ペア:

[(1, 19896545), (5, 3979309), (17, 1170385), (79, 251855), (85, 234077), (395, 50371), (1343, 14815), (2963, 6715)]