19747897

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4703}}^1$

素因数の和:4752

約数の個数: 16

約数和(自身を含む): 23708160

約数和(自身を除く): 3960263

約数列:

[1, 13, 17, 19, 221, 247, 323, 4199, 4703, 61139, 79951, 89357, 1039363, 1161641, 1519069, 19747897]

約数ペア:

[(1, 19747897), (13, 1519069), (17, 1161641), (19, 1039363), (221, 89357), (247, 79951), (323, 61139), (4199, 4703)]