18704020

素因数分解:

$2^2\times 5^1\times {\mathrm{935201}}^1$

素因数の和:935210

約数の個数: 12

約数和(自身を含む): 39278484

約数和(自身を除く): 20574464

約数列:

[1, 2, 4, 5, 10, 20, 935201, 1870402, 3740804, 4676005, 9352010, 18704020]

約数ペア:

[(1, 18704020), (2, 9352010), (4, 4676005), (5, 3740804), (10, 1870402), (20, 935201)]