18139802

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{1009}}^1$

素因数の和:1201

約数の個数: 16

約数和(自身を含む): 27815400

約数和(自身を除く): 9675598

約数列:

[1, 2, 89, 101, 178, 202, 1009, 2018, 8989, 17978, 89801, 101909, 179602, 203818, 9069901, 18139802]

約数ペア:

[(1, 18139802), (2, 9069901), (89, 203818), (101, 179602), (178, 101909), (202, 89801), (1009, 17978), (2018, 8989)]