18038770

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43997}}^1$

素因数の和:44045

約数の個数: 16

約数和(自身を含む): 33262488

約数和(自身を除く): 15223718

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 43997, 87994, 219985, 439970, 1803877, 3607754, 9019385, 18038770]

約数ペア:

[(1, 18038770), (2, 9019385), (5, 3607754), (10, 1803877), (41, 439970), (82, 219985), (205, 87994), (410, 43997)]