18034480

素因数分解:

$2^4\times 5^1\times {\mathrm{225431}}^1$

素因数の和:225444

約数の個数: 20

約数和(自身を含む): 41930352

約数和(自身を除く): 23895872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 225431, 450862, 901724, 1127155, 1803448, 2254310, 3606896, 4508620, 9017240, 18034480]

約数ペア:

[(1, 18034480), (2, 9017240), (4, 4508620), (5, 3606896), (8, 2254310), (10, 1803448), (16, 1127155), (20, 901724), (40, 450862), (80, 225431)]