2018071731

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{431}}^1\times {\mathrm{569}}^1$

素因数の和:1227

約数の個数: 32

約数和(自身を含む): 2923361280

約数和(自身を除く): 905289549

約数列:

[1, 3, 13, 39, 211, 431, 569, 633, 1293, 1707, 2743, 5603, 7397, 8229, 16809, 22191, 90941, 120059, 245239, 272823, 360177, 735717, 1182233, 1560767, 3188107, 3546699, 4682301, 9564321, 51745429, 155236287, 672690577, 2018071731]

約数ペア:

[(1, 2018071731), (3, 672690577), (13, 155236287), (39, 51745429), (211, 9564321), (431, 4682301), (569, 3546699), (633, 3188107), (1293, 1560767), (1707, 1182233), (2743, 735717), (5603, 360177), (7397, 272823), (8229, 245239), (16809, 120059), (22191, 90941)]