19143644

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{28319}}^1$

素因数の和:28349

約数の個数: 18

約数和(自身を含む): 36277920

約数和(自身を除く): 17134276

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 28319, 56638, 113276, 368147, 736294, 1472588, 4785911, 9571822, 19143644]

約数ペア:

[(1, 19143644), (2, 9571822), (4, 4785911), (13, 1472588), (26, 736294), (52, 368147), (169, 113276), (338, 56638), (676, 28319)]