19551785

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1901}}^1$

素因数の和:1945

約数の個数: 24

約数和(自身を含む): 27320328

約数和(自身を除く): 7768543

約数列:

[1, 5, 11, 17, 55, 85, 121, 187, 605, 935, 1901, 2057, 9505, 10285, 20911, 32317, 104555, 161585, 230021, 355487, 1150105, 1777435, 3910357, 19551785]

約数ペア:

[(1, 19551785), (5, 3910357), (11, 1777435), (17, 1150105), (55, 355487), (85, 230021), (121, 161585), (187, 104555), (605, 32317), (935, 20911), (1901, 10285), (2057, 9505)]