19023316

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:400

約数の個数: 36

約数和(自身を含む): 36523872

約数和(自身を除く): 17500556

約数列:

[1, 2, 4, 13, 26, 52, 107, 169, 214, 263, 338, 428, 526, 676, 1052, 1391, 2782, 3419, 5564, 6838, 13676, 18083, 28141, 36166, 44447, 56282, 72332, 88894, 112564, 177788, 365833, 731666, 1463332, 4755829, 9511658, 19023316]

約数ペア:

[(1, 19023316), (2, 9511658), (4, 4755829), (13, 1463332), (26, 731666), (52, 365833), (107, 177788), (169, 112564), (214, 88894), (263, 72332), (338, 56282), (428, 44447), (526, 36166), (676, 28141), (1052, 18083), (1391, 13676), (2782, 6838), (3419, 5564)]