18212240

素因数分解:

$2^4\times 5^1\times {\mathrm{227653}}^1$

素因数の和:227666

約数の個数: 20

約数和(自身を含む): 42343644

約数和(自身を除く): 24131404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227653, 455306, 910612, 1138265, 1821224, 2276530, 3642448, 4553060, 9106120, 18212240]

約数ペア:

[(1, 18212240), (2, 9106120), (4, 4553060), (5, 3642448), (8, 2276530), (10, 1821224), (16, 1138265), (20, 910612), (40, 455306), (80, 227653)]