19556770

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{4877}}^1$

素因数の和:5285

約数の個数: 16

約数和(自身を含む): 35297208

約数和(自身を除く): 15740438

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 4877, 9754, 24385, 48770, 1955677, 3911354, 9778385, 19556770]

約数ペア:

[(1, 19556770), (2, 9778385), (5, 3911354), (10, 1955677), (401, 48770), (802, 24385), (2005, 9754), (4010, 4877)]