18110223

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{9721}}^1$

素因数の和:9756

約数の個数: 20

約数和(自身を含む): 28232688

約数和(自身を除く): 10122465

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 9721, 29163, 87489, 223583, 262467, 670749, 787401, 2012247, 6036741, 18110223]

約数ペア:

[(1, 18110223), (3, 6036741), (9, 2012247), (23, 787401), (27, 670749), (69, 262467), (81, 223583), (207, 87489), (621, 29163), (1863, 9721)]