18942794

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{2521}}^1$

素因数の和:2570

約数の個数: 24

約数和(自身を含む): 32518668

約数和(自身を除く): 13575874

約数列:

[1, 2, 13, 17, 26, 34, 221, 289, 442, 578, 2521, 3757, 5042, 7514, 32773, 42857, 65546, 85714, 557141, 728569, 1114282, 1457138, 9471397, 18942794]

約数ペア:

[(1, 18942794), (2, 9471397), (13, 1457138), (17, 1114282), (26, 728569), (34, 557141), (221, 85714), (289, 65546), (442, 42857), (578, 32773), (2521, 7514), (3757, 5042)]