20180487

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{859}}^1$

素因数の和:1094

約数の個数: 16

約数和(自身を含む): 27740160

約数和(自身を除く): 7559673

約数列:

[1, 3, 41, 123, 191, 573, 859, 2577, 7831, 23493, 35219, 105657, 164069, 492207, 6726829, 20180487]

約数ペア:

[(1, 20180487), (3, 6726829), (41, 492207), (123, 164069), (191, 105657), (573, 35219), (859, 23493), (2577, 7831)]