19880270

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{5507}}^1$

素因数の和:5552

約数の個数: 24

約数和(自身を含む): 37773864

約数和(自身を除く): 17893594

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 5507, 11014, 27535, 55070, 104633, 209266, 523165, 1046330, 1988027, 3976054, 9940135, 19880270]

約数ペア:

[(1, 19880270), (2, 9940135), (5, 3976054), (10, 1988027), (19, 1046330), (38, 523165), (95, 209266), (190, 104633), (361, 55070), (722, 27535), (1805, 11014), (3610, 5507)]