19266828

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{661}}^1$

素因数の和:1022

約数の個数: 48

約数和(自身を含む): 51604224

約数和(自身を除く): 32337396

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 347, 661, 694, 1041, 1322, 1388, 1983, 2082, 2429, 2644, 3966, 4164, 4627, 4858, 7287, 7932, 9254, 9716, 13881, 14574, 18508, 27762, 29148, 55524, 229367, 458734, 688101, 917468, 1376202, 1605569, 2752404, 3211138, 4816707, 6422276, 9633414, 19266828]

約数ペア:

[(1, 19266828), (2, 9633414), (3, 6422276), (4, 4816707), (6, 3211138), (7, 2752404), (12, 1605569), (14, 1376202), (21, 917468), (28, 688101), (42, 458734), (84, 229367), (347, 55524), (661, 29148), (694, 27762), (1041, 18508), (1322, 14574), (1388, 13881), (1983, 9716), (2082, 9254), (2429, 7932), (2644, 7287), (3966, 4858), (4164, 4627)]