16916878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{40471}}^1$

素因数の和:40503

約数の個数: 16

約数和(自身を含む): 29139840

約数和(自身を除く): 12222962

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 40471, 80942, 445181, 768949, 890362, 1537898, 8458439, 16916878]

約数ペア:

[(1, 16916878), (2, 8458439), (11, 1537898), (19, 890362), (22, 768949), (38, 445181), (209, 80942), (418, 40471)]