18513313

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1553}}^1$

素因数の和:1704

約数の個数: 16

約数和(自身を含む): 22974336

約数和(自身を除く): 4461023

約数列:

[1, 7, 13, 91, 131, 917, 1553, 1703, 10871, 11921, 20189, 141323, 203443, 1424101, 2644759, 18513313]

約数ペア:

[(1, 18513313), (7, 2644759), (13, 1424101), (91, 203443), (131, 141323), (917, 20189), (1553, 11921), (1703, 10871)]