18691893

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8209}}^1$

素因数の和:8249

約数の個数: 24

約数和(自身を含む): 30738240

約数和(自身を除く): 12046347

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 207, 253, 759, 2277, 8209, 24627, 73881, 90299, 188807, 270897, 566421, 812691, 1699263, 2076877, 6230631, 18691893]

約数ペア:

[(1, 18691893), (3, 6230631), (9, 2076877), (11, 1699263), (23, 812691), (33, 566421), (69, 270897), (99, 188807), (207, 90299), (253, 73881), (759, 24627), (2277, 8209)]