18438546

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{991}}^1$

素因数の和:1446

約数の個数: 32

約数和(自身を含む): 42283008

約数和(自身を除く): 23844462

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 443, 886, 991, 1329, 1982, 2658, 2973, 3101, 5946, 6202, 6937, 9303, 13874, 18606, 20811, 41622, 439013, 878026, 1317039, 2634078, 3073091, 6146182, 9219273, 18438546]

約数ペア:

[(1, 18438546), (2, 9219273), (3, 6146182), (6, 3073091), (7, 2634078), (14, 1317039), (21, 878026), (42, 439013), (443, 41622), (886, 20811), (991, 18606), (1329, 13874), (1982, 9303), (2658, 6937), (2973, 6202), (3101, 5946)]