19712911678

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1\times {\mathrm{564937}}^1$

素因数の和:565251

約数の個数: 16

約数和(自身を含む): 30099896640

約数和(自身を除く): 10386984962

約数列:

[1, 2, 73, 146, 239, 478, 17447, 34894, 564937, 1129874, 41240401, 82480802, 135019943, 270039886, 9856455839, 19712911678]

約数ペア:

[(1, 19712911678), (2, 9856455839), (73, 270039886), (146, 135019943), (239, 82480802), (478, 41240401), (17447, 1129874), (34894, 564937)]