19874864

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{9067}}^1$

素因数の和:9212

約数の個数: 20

約数和(自身を含む): 38792904

約数和(自身を除く): 18918040

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 9067, 18134, 36268, 72536, 145072, 1242179, 2484358, 4968716, 9937432, 19874864]

約数ペア:

[(1, 19874864), (2, 9937432), (4, 4968716), (8, 2484358), (16, 1242179), (137, 145072), (274, 72536), (548, 36268), (1096, 18134), (2192, 9067)]