17968336

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:499

約数の個数: 40

約数和(自身を含む): 36676224

約数和(自身を除く): 18707888

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 157, 184, 311, 314, 368, 622, 628, 1244, 1256, 2488, 2512, 3611, 4976, 7153, 7222, 14306, 14444, 28612, 28888, 48827, 57224, 57776, 97654, 114448, 195308, 390616, 781232, 1123021, 2246042, 4492084, 8984168, 17968336]

約数ペア:

[(1, 17968336), (2, 8984168), (4, 4492084), (8, 2246042), (16, 1123021), (23, 781232), (46, 390616), (92, 195308), (157, 114448), (184, 97654), (311, 57776), (314, 57224), (368, 48827), (622, 28888), (628, 28612), (1244, 14444), (1256, 14306), (2488, 7222), (2512, 7153), (3611, 4976)]