18763784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10613}}^1$

素因数の和:10649

約数の個数: 32

約数和(自身を含む): 40120920

約数和(自身を除く): 21357136

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 10613, 21226, 42452, 84904, 137969, 180421, 275938, 360842, 551876, 721684, 1103752, 1443368, 2345473, 4690946, 9381892, 18763784]

約数ペア:

[(1, 18763784), (2, 9381892), (4, 4690946), (8, 2345473), (13, 1443368), (17, 1103752), (26, 721684), (34, 551876), (52, 360842), (68, 275938), (104, 180421), (136, 137969), (221, 84904), (442, 42452), (884, 21226), (1768, 10613)]