18986773

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1621}}^1$

素因数の和:1704

約数の個数: 16

約数和(自身を含む): 22072176

約数和(自身を除く): 3085403

約数列:

[1, 13, 17, 53, 221, 689, 901, 1621, 11713, 21073, 27557, 85913, 358241, 1116869, 1460521, 18986773]

約数ペア:

[(1, 18986773), (13, 1460521), (17, 1116869), (53, 358241), (221, 85913), (689, 27557), (901, 21073), (1621, 11713)]