18697637

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2213}}^1$

素因数の和:2308

約数の個数: 16

約数和(自身を含む): 22954752

約数和(自身を除く): 4257115

約数列:

[1, 7, 17, 71, 119, 497, 1207, 2213, 8449, 15491, 37621, 157123, 263347, 1099861, 2671091, 18697637]

約数ペア:

[(1, 18697637), (7, 2671091), (17, 1099861), (71, 263347), (119, 157123), (497, 37621), (1207, 15491), (2213, 8449)]