18574490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1289}}^1$

素因数の和:1438

約数の個数: 32

約数和(自身を含む): 36780480

約数和(自身を除く): 18205990

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 131, 262, 655, 1289, 1310, 1441, 2578, 2882, 6445, 7205, 12890, 14179, 14410, 28358, 70895, 141790, 168859, 337718, 844295, 1688590, 1857449, 3714898, 9287245, 18574490]

約数ペア:

[(1, 18574490), (2, 9287245), (5, 3714898), (10, 1857449), (11, 1688590), (22, 844295), (55, 337718), (110, 168859), (131, 141790), (262, 70895), (655, 28358), (1289, 14410), (1310, 14179), (1441, 12890), (2578, 7205), (2882, 6445)]