18443320090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3469}}^1\times {\mathrm{40897}}^1$

素因数の和:44386

約数の個数: 32

約数和(自身を含む): 35762847120

約数和(自身を除く): 17319527030

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 3469, 6938, 17345, 34690, 40897, 45097, 81794, 90194, 204485, 225485, 408970, 450970, 531661, 1063322, 2658305, 5316610, 141871693, 283743386, 709358465, 1418716930, 1844332009, 3688664018, 9221660045, 18443320090]

約数ペア:

[(1, 18443320090), (2, 9221660045), (5, 3688664018), (10, 1844332009), (13, 1418716930), (26, 709358465), (65, 283743386), (130, 141871693), (3469, 5316610), (6938, 2658305), (17345, 1063322), (34690, 531661), (40897, 450970), (45097, 408970), (81794, 225485), (90194, 204485)]