18549916

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{263}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 40803840

約数和(自身を除く): 22253924

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 229, 263, 308, 458, 526, 916, 1052, 1603, 1841, 2519, 2893, 3206, 3682, 5038, 5786, 6412, 7364, 10076, 11572, 17633, 20251, 35266, 40502, 60227, 70532, 81004, 120454, 240908, 421589, 662497, 843178, 1324994, 1686356, 2649988, 4637479, 9274958, 18549916]

約数ペア:

[(1, 18549916), (2, 9274958), (4, 4637479), (7, 2649988), (11, 1686356), (14, 1324994), (22, 843178), (28, 662497), (44, 421589), (77, 240908), (154, 120454), (229, 81004), (263, 70532), (308, 60227), (458, 40502), (526, 35266), (916, 20251), (1052, 17633), (1603, 11572), (1841, 10076), (2519, 7364), (2893, 6412), (3206, 5786), (3682, 5038)]