18416240

素因数分解:

$2^4\times 5^1\times {\mathrm{230203}}^1$

素因数の和:230216

約数の個数: 20

約数和(自身を含む): 42817944

約数和(自身を除く): 24401704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230203, 460406, 920812, 1151015, 1841624, 2302030, 3683248, 4604060, 9208120, 18416240]

約数ペア:

[(1, 18416240), (2, 9208120), (4, 4604060), (5, 3683248), (8, 2302030), (10, 1841624), (16, 1151015), (20, 920812), (40, 460406), (80, 230203)]