201901900

素因数分解:

$2^2\times 5^2\times {\mathrm{2019019}}^1$

素因数の和:2019033

約数の個数: 18

約数和(自身を含む): 438127340

約数和(自身を除く): 236225440

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2019019, 4038038, 8076076, 10095095, 20190190, 40380380, 50475475, 100950950, 201901900]

約数ペア:

[(1, 201901900), (2, 100950950), (4, 50475475), (5, 40380380), (10, 20190190), (20, 10095095), (25, 8076076), (50, 4038038), (100, 2019019)]