19140385

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1861}}^1$

素因数の和:1905

約数の個数: 24

約数和(自身を含む): 26745768

約数和(自身を除く): 7605383

約数列:

[1, 5, 11, 17, 55, 85, 121, 187, 605, 935, 1861, 2057, 9305, 10285, 20471, 31637, 102355, 158185, 225181, 348007, 1125905, 1740035, 3828077, 19140385]

約数ペア:

[(1, 19140385), (5, 3828077), (11, 1740035), (17, 1125905), (55, 348007), (85, 225181), (121, 158185), (187, 102355), (605, 31637), (935, 20471), (1861, 10285), (2057, 9305)]