1809580

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{523}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 3829392

約数和(自身を除く): 2019812

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 523, 692, 865, 1046, 1730, 2092, 2615, 3460, 5230, 10460, 90479, 180958, 361916, 452395, 904790, 1809580]

約数ペア:

[(1, 1809580), (2, 904790), (4, 452395), (5, 361916), (10, 180958), (20, 90479), (173, 10460), (346, 5230), (523, 3460), (692, 2615), (865, 2092), (1046, 1730)]