19591156

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:500

約数の個数: 36

約数和(自身を含む): 37728012

約数和(自身を除く): 18136856

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 169, 292, 338, 397, 676, 794, 949, 1588, 1898, 3796, 5161, 10322, 12337, 20644, 24674, 28981, 49348, 57962, 67093, 115924, 134186, 268372, 376753, 753506, 1507012, 4897789, 9795578, 19591156]

約数ペア:

[(1, 19591156), (2, 9795578), (4, 4897789), (13, 1507012), (26, 753506), (52, 376753), (73, 268372), (146, 134186), (169, 115924), (292, 67093), (338, 57962), (397, 49348), (676, 28981), (794, 24674), (949, 20644), (1588, 12337), (1898, 10322), (3796, 5161)]