38897872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{187009}}^1$

素因数の和:187030

約数の個数: 20

約数和(自身を含む): 81162340

約数和(自身を除く): 42264468

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 187009, 374018, 748036, 1496072, 2431117, 2992144, 4862234, 9724468, 19448936, 38897872]

約数ペア:

[(1, 38897872), (2, 19448936), (4, 9724468), (8, 4862234), (13, 2992144), (16, 2431117), (26, 1496072), (52, 748036), (104, 374018), (208, 187009)]