19914518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{7027}}^1$

素因数の和:7151

約数の個数: 16

約数和(自身を含む): 32469360

約数和(自身を除く): 12554842

約数列:

[1, 2, 13, 26, 109, 218, 1417, 2834, 7027, 14054, 91351, 182702, 765943, 1531886, 9957259, 19914518]

約数ペア:

[(1, 19914518), (2, 9957259), (13, 1531886), (26, 765943), (109, 182702), (218, 91351), (1417, 14054), (2834, 7027)]