18965518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{5101}}^1$

素因数の和:5140

約数の個数: 24

約数和(自身を含む): 33611976

約数和(自身を除く): 14646458

約数列:

[1, 2, 11, 13, 22, 26, 143, 169, 286, 338, 1859, 3718, 5101, 10202, 56111, 66313, 112222, 132626, 729443, 862069, 1458886, 1724138, 9482759, 18965518]

約数ペア:

[(1, 18965518), (2, 9482759), (11, 1724138), (13, 1458886), (22, 862069), (26, 729443), (143, 132626), (169, 112222), (286, 66313), (338, 56111), (1859, 10202), (3718, 5101)]