18691212

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1123}}^1$

素因数の和:1222

約数の個数: 48

約数和(自身を含む): 46578560

約数和(自身を除く): 27887348

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 73, 76, 114, 146, 219, 228, 292, 438, 876, 1123, 1387, 2246, 2774, 3369, 4161, 4492, 5548, 6738, 8322, 13476, 16644, 21337, 42674, 64011, 81979, 85348, 128022, 163958, 245937, 256044, 327916, 491874, 983748, 1557601, 3115202, 4672803, 6230404, 9345606, 18691212]

約数ペア:

[(1, 18691212), (2, 9345606), (3, 6230404), (4, 4672803), (6, 3115202), (12, 1557601), (19, 983748), (38, 491874), (57, 327916), (73, 256044), (76, 245937), (114, 163958), (146, 128022), (219, 85348), (228, 81979), (292, 64011), (438, 42674), (876, 21337), (1123, 16644), (1387, 13476), (2246, 8322), (2774, 6738), (3369, 5548), (4161, 4492)]