19892631

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{26209}}^1$

素因数の和:26246

約数の個数: 16

約数和(自身を含む): 30193920

約数和(自身を除く): 10301289

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 26209, 78627, 288299, 602807, 864897, 1808421, 6630877, 19892631]

約数ペア:

[(1, 19892631), (3, 6630877), (11, 1808421), (23, 864897), (33, 602807), (69, 288299), (253, 78627), (759, 26209)]