18417917

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{823}}^1$

素因数の和:992

約数の個数: 16

約数和(自身を含む): 22149120

約数和(自身を除く): 3731203

約数列:

[1, 7, 23, 139, 161, 823, 973, 3197, 5761, 18929, 22379, 114397, 132503, 800779, 2631131, 18417917]

約数ペア:

[(1, 18417917), (7, 2631131), (23, 800779), (139, 132503), (161, 114397), (823, 22379), (973, 18929), (3197, 5761)]