19159426

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2161}}^1$

素因数の和:2218

約数の個数: 32

約数和(自身を含む): 34868736

約数和(自身を除く): 15709310

約数列:

[1, 2, 11, 13, 22, 26, 31, 62, 143, 286, 341, 403, 682, 806, 2161, 4322, 4433, 8866, 23771, 28093, 47542, 56186, 66991, 133982, 309023, 618046, 736901, 870883, 1473802, 1741766, 9579713, 19159426]

約数ペア:

[(1, 19159426), (2, 9579713), (11, 1741766), (13, 1473802), (22, 870883), (26, 736901), (31, 618046), (62, 309023), (143, 133982), (286, 66991), (341, 56186), (403, 47542), (682, 28093), (806, 23771), (2161, 8866), (4322, 4433)]