19889416

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{769}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 38669400

約数和(自身を除く): 18779984

約数列:

[1, 2, 4, 8, 53, 61, 106, 122, 212, 244, 424, 488, 769, 1538, 3076, 3233, 6152, 6466, 12932, 25864, 40757, 46909, 81514, 93818, 163028, 187636, 326056, 375272, 2486177, 4972354, 9944708, 19889416]

約数ペア:

[(1, 19889416), (2, 9944708), (4, 4972354), (8, 2486177), (53, 375272), (61, 326056), (106, 187636), (122, 163028), (212, 93818), (244, 81514), (424, 46909), (488, 40757), (769, 25864), (1538, 12932), (3076, 6466), (3233, 6152)]