19640104

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{4211}}^1$

素因数の和:4281

約数の個数: 32

約数和(自身を含む): 40940640

約数和(自身を除く): 21300536

約数列:

[1, 2, 4, 8, 11, 22, 44, 53, 88, 106, 212, 424, 583, 1166, 2332, 4211, 4664, 8422, 16844, 33688, 46321, 92642, 185284, 223183, 370568, 446366, 892732, 1785464, 2455013, 4910026, 9820052, 19640104]

約数ペア:

[(1, 19640104), (2, 9820052), (4, 4910026), (8, 2455013), (11, 1785464), (22, 892732), (44, 446366), (53, 370568), (88, 223183), (106, 185284), (212, 92642), (424, 46321), (583, 33688), (1166, 16844), (2332, 8422), (4211, 4664)]