18909118

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{2591}}^1$

素因数の和:2723

約数の個数: 16

約数和(自身を含む): 29393280

約数和(自身を除く): 10484162

約数列:

[1, 2, 41, 82, 89, 178, 2591, 3649, 5182, 7298, 106231, 212462, 230599, 461198, 9454559, 18909118]

約数ペア:

[(1, 18909118), (2, 9454559), (41, 461198), (82, 230599), (89, 212462), (178, 106231), (2591, 7298), (3649, 5182)]