18418309

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6529}}^1$

素因数の和:6580

約数の個数: 16

約数和(自身を含む): 23403520

約数和(自身を除く): 4985211

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 6529, 45703, 84877, 202399, 594139, 1416793, 2631187, 18418309]

約数ペア:

[(1, 18418309), (7, 2631187), (13, 1416793), (31, 594139), (91, 202399), (217, 84877), (403, 45703), (2821, 6529)]