19211270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{147779}}^1$

素因数の和:147799

約数の個数: 16

約数和(自身を含む): 37240560

約数和(自身を除く): 18029290

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 147779, 295558, 738895, 1477790, 1921127, 3842254, 9605635, 19211270]

約数ペア:

[(1, 19211270), (2, 9605635), (5, 3842254), (10, 1921127), (13, 1477790), (26, 738895), (65, 295558), (130, 147779)]