19877104

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{7351}}^1$

素因数の和:7385

約数の個数: 30

約数和(自身を含む): 41707896

約数和(自身を除く): 21830792

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 7351, 14702, 29404, 58808, 95563, 117616, 191126, 382252, 764504, 1242319, 1529008, 2484638, 4969276, 9938552, 19877104]

約数ペア:

[(1, 19877104), (2, 9938552), (4, 4969276), (8, 2484638), (13, 1529008), (16, 1242319), (26, 764504), (52, 382252), (104, 191126), (169, 117616), (208, 95563), (338, 58808), (676, 29404), (1352, 14702), (2704, 7351)]