18741442

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1\times {\mathrm{499}}^1$

素因数の和:801

約数の個数: 16

約数和(自身を含む): 28620000

約数和(自身を除く): 9878558

約数列:

[1, 2, 89, 178, 211, 422, 499, 998, 18779, 37558, 44411, 88822, 105289, 210578, 9370721, 18741442]

約数ペア:

[(1, 18741442), (2, 9370721), (89, 210578), (178, 105289), (211, 88822), (422, 44411), (499, 37558), (998, 18779)]