19916468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{34819}}^1$

素因数の和:34847

約数の個数: 24

約数和(自身を含む): 40948320

約数和(自身を除く): 21031852

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 34819, 69638, 139276, 383009, 452647, 766018, 905294, 1532036, 1810588, 4979117, 9958234, 19916468]

約数ペア:

[(1, 19916468), (2, 9958234), (4, 4979117), (11, 1810588), (13, 1532036), (22, 905294), (26, 766018), (44, 452647), (52, 383009), (143, 139276), (286, 69638), (572, 34819)]