19992674

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{40471}}^1$

素因数の和:40505

約数の個数: 16

約数和(自身を含む): 33996480

約数和(自身を除く): 14003806

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 40471, 80942, 526123, 768949, 1052246, 1537898, 9996337, 19992674]

約数ペア:

[(1, 19992674), (2, 9996337), (13, 1537898), (19, 1052246), (26, 768949), (38, 526123), (247, 80942), (494, 40471)]