1999565529

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{20599}}^1$

素因数の和:20765

約数の個数: 32

約数和(自身を含む): 3045504000

約数和(自身を除く): 1045938471

約数列:

[1, 3, 13, 19, 39, 57, 131, 247, 393, 741, 1703, 2489, 5109, 7467, 20599, 32357, 61797, 97071, 267787, 391381, 803361, 1174143, 2698469, 5087953, 8095407, 15263859, 35080097, 51270911, 105240291, 153812733, 666521843, 1999565529]

約数ペア:

[(1, 1999565529), (3, 666521843), (13, 153812733), (19, 105240291), (39, 51270911), (57, 35080097), (131, 15263859), (247, 8095407), (393, 5087953), (741, 2698469), (1703, 1174143), (2489, 803361), (5109, 391381), (7467, 267787), (20599, 97071), (32357, 61797)]