19641177647

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12696301}}^1$

素因数の和:12696338

約数の個数: 16

約数和(自身を含む): 25595744832

約数和(自身を除く): 5954567185

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 12696301, 88874107, 165051913, 215837117, 1155363391, 1510859819, 2805882521, 19641177647]

約数ペア:

[(1, 19641177647), (7, 2805882521), (13, 1510859819), (17, 1155363391), (91, 215837117), (119, 165051913), (221, 88874107), (1547, 12696301)]