18471982

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1\times {\mathrm{499}}^1$

素因数の和:807

約数の個数: 16

約数和(自身を含む): 28224000

約数和(自身を除く): 9752018

約数列:

[1, 2, 83, 166, 223, 446, 499, 998, 18509, 37018, 41417, 82834, 111277, 222554, 9235991, 18471982]

約数ペア:

[(1, 18471982), (2, 9235991), (83, 222554), (166, 111277), (223, 82834), (446, 41417), (499, 37018), (998, 18509)]