18747963

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1723}}^1$

素因数の和:1776

約数の個数: 32

約数和(自身を含む): 30894080

約数和(自身を除く): 12146117

約数列:

[1, 3, 9, 13, 27, 31, 39, 93, 117, 279, 351, 403, 837, 1209, 1723, 3627, 5169, 10881, 15507, 22399, 46521, 53413, 67197, 160239, 201591, 480717, 604773, 694369, 1442151, 2083107, 6249321, 18747963]

約数ペア:

[(1, 18747963), (3, 6249321), (9, 2083107), (13, 1442151), (27, 694369), (31, 604773), (39, 480717), (93, 201591), (117, 160239), (279, 67197), (351, 53413), (403, 46521), (837, 22399), (1209, 15507), (1723, 10881), (3627, 5169)]