18823792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{90499}}^1$

素因数の和:90520

約数の個数: 20

約数和(自身を含む): 39277000

約数和(自身を除く): 20453208

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 90499, 180998, 361996, 723992, 1176487, 1447984, 2352974, 4705948, 9411896, 18823792]

約数ペア:

[(1, 18823792), (2, 9411896), (4, 4705948), (8, 2352974), (13, 1447984), (16, 1176487), (26, 723992), (52, 361996), (104, 180998), (208, 90499)]