19141808

素因数分解:

$2^4\times 7^1\times {\mathrm{277}}^1\times {\mathrm{617}}^1$

素因数の和:909

約数の個数: 40

約数和(自身を含む): 42607392

約数和(自身を除く): 23465584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 277, 554, 617, 1108, 1234, 1939, 2216, 2468, 3878, 4319, 4432, 4936, 7756, 8638, 9872, 15512, 17276, 31024, 34552, 69104, 170909, 341818, 683636, 1196363, 1367272, 2392726, 2734544, 4785452, 9570904, 19141808]

約数ペア:

[(1, 19141808), (2, 9570904), (4, 4785452), (7, 2734544), (8, 2392726), (14, 1367272), (16, 1196363), (28, 683636), (56, 341818), (112, 170909), (277, 69104), (554, 34552), (617, 31024), (1108, 17276), (1234, 15512), (1939, 9872), (2216, 8638), (2468, 7756), (3878, 4936), (4319, 4432)]