18905103

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4349}}^1$

素因数の和:4388

約数の個数: 32

約数和(自身を含む): 33408000

約数和(自身を除く): 14502897

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 4349, 13047, 30443, 39141, 91329, 100027, 117423, 273987, 300081, 700189, 821961, 900243, 2100567, 2700729, 6301701, 18905103]

約数ペア:

[(1, 18905103), (3, 6301701), (7, 2700729), (9, 2100567), (21, 900243), (23, 821961), (27, 700189), (63, 300081), (69, 273987), (161, 117423), (189, 100027), (207, 91329), (483, 39141), (621, 30443), (1449, 13047), (4347, 4349)]