19886932

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1361}}^1$

素因数の和:1659

約数の個数: 24

約数和(自身を含む): 37640232

約数和(自身を除く): 17753300

約数列:

[1, 2, 4, 13, 26, 52, 281, 562, 1124, 1361, 2722, 3653, 5444, 7306, 14612, 17693, 35386, 70772, 382441, 764882, 1529764, 4971733, 9943466, 19886932]

約数ペア:

[(1, 19886932), (2, 9943466), (4, 4971733), (13, 1529764), (26, 764882), (52, 382441), (281, 70772), (562, 35386), (1124, 17693), (1361, 14612), (2722, 7306), (3653, 5444)]