18788913

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1123}}^1$

素因数の和:1166

約数の個数: 36

約数和(自身を含む): 32087952

約数和(自身を除く): 13299039

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 169, 429, 507, 1123, 1287, 1521, 1859, 3369, 5577, 10107, 12353, 14599, 16731, 37059, 43797, 111177, 131391, 160589, 189787, 481767, 569361, 1445301, 1708083, 2087657, 6262971, 18788913]

約数ペア:

[(1, 18788913), (3, 6262971), (9, 2087657), (11, 1708083), (13, 1445301), (33, 569361), (39, 481767), (99, 189787), (117, 160589), (143, 131391), (169, 111177), (429, 43797), (507, 37059), (1123, 16731), (1287, 14599), (1521, 12353), (1859, 10107), (3369, 5577)]