18520749

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2683}}^1$

素因数の和:2761

約数の個数: 24

約数和(自身を含む): 29309280

約数和(自身を除く): 10788531

約数列:

[1, 3, 9, 13, 39, 59, 117, 177, 531, 767, 2301, 2683, 6903, 8049, 24147, 34879, 104637, 158297, 313911, 474891, 1424673, 2057861, 6173583, 18520749]

約数ペア:

[(1, 18520749), (3, 6173583), (9, 2057861), (13, 1424673), (39, 474891), (59, 313911), (117, 158297), (177, 104637), (531, 34879), (767, 24147), (2301, 8049), (2683, 6903)]