18810701

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{491}}^1$

素因数の和:932

約数の個数: 16

約数和(自身を含む): 23253888

約数和(自身を除く): 4443187

約数列:

[1, 7, 13, 91, 421, 491, 2947, 3437, 5473, 6383, 38311, 44681, 206711, 1446977, 2687243, 18810701]

約数ペア:

[(1, 18810701), (7, 2687243), (13, 1446977), (91, 206711), (421, 44681), (491, 38311), (2947, 6383), (3437, 5473)]