1818270721

素因数分解:

${\mathrm{19}}^2\times {\mathrm{233}}^1\times {\mathrm{21617}}^1$

素因数の和:21888

約数の個数: 12

約数和(自身を含む): 1927331172

約数和(自身を除く): 109060451

約数列:

[1, 19, 233, 361, 4427, 21617, 84113, 410723, 5036761, 7803737, 95698459, 1818270721]

約数ペア:

[(1, 1818270721), (19, 95698459), (233, 7803737), (361, 5036761), (4427, 410723), (21617, 84113)]