18170672

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{87359}}^1$

素因数の和:87380

約数の個数: 20

約数和(自身を含む): 37914240

約数和(自身を除く): 19743568

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 87359, 174718, 349436, 698872, 1135667, 1397744, 2271334, 4542668, 9085336, 18170672]

約数ペア:

[(1, 18170672), (2, 9085336), (4, 4542668), (8, 2271334), (13, 1397744), (16, 1135667), (26, 698872), (52, 349436), (104, 174718), (208, 87359)]