18420838

素因数分解:

$2^1\times {\mathrm{23}}^3\times {\mathrm{757}}^1$

素因数の和:828

約数の個数: 16

約数和(自身を含む): 28925280

約数和(自身を除く): 10504442

約数列:

[1, 2, 23, 46, 529, 757, 1058, 1514, 12167, 17411, 24334, 34822, 400453, 800906, 9210419, 18420838]

約数ペア:

[(1, 18420838), (2, 9210419), (23, 800906), (46, 400453), (529, 34822), (757, 24334), (1058, 17411), (1514, 12167)]