18790839218

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{569}}^1\times {\mathrm{105173}}^1$

素因数の和:105901

約数の個数: 16

約数和(自身を含む): 28415911320

約数和(自身を除く): 9625072102

約数列:

[1, 2, 157, 314, 569, 1138, 89333, 105173, 178666, 210346, 16512161, 33024322, 59843437, 119686874, 9395419609, 18790839218]

約数ペア:

[(1, 18790839218), (2, 9395419609), (157, 119686874), (314, 59843437), (569, 33024322), (1138, 16512161), (89333, 210346), (105173, 178666)]