19522256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5521}}^1$

素因数の和:5559

約数の個数: 40

約数和(自身を含む): 43137864

約数和(自身を除く): 23615608

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 5521, 11042, 22084, 44168, 71773, 88336, 93857, 143546, 187714, 287092, 375428, 574184, 750856, 1148368, 1220141, 1501712, 2440282, 4880564, 9761128, 19522256]

約数ペア:

[(1, 19522256), (2, 9761128), (4, 4880564), (8, 2440282), (13, 1501712), (16, 1220141), (17, 1148368), (26, 750856), (34, 574184), (52, 375428), (68, 287092), (104, 187714), (136, 143546), (208, 93857), (221, 88336), (272, 71773), (442, 44168), (884, 22084), (1768, 11042), (3536, 5521)]