18726440

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12653}}^1$

素因数の和:12701

約数の個数: 32

約数和(自身を含む): 43276680

約数和(自身を除く): 24550240

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 12653, 25306, 50612, 63265, 101224, 126530, 253060, 468161, 506120, 936322, 1872644, 2340805, 3745288, 4681610, 9363220, 18726440]

約数ペア:

[(1, 18726440), (2, 9363220), (4, 4681610), (5, 3745288), (8, 2340805), (10, 1872644), (20, 936322), (37, 506120), (40, 468161), (74, 253060), (148, 126530), (185, 101224), (296, 63265), (370, 50612), (740, 25306), (1480, 12653)]