18041721

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1\times {\mathrm{463}}^1$

素因数の和:916

約数の個数: 16

約数和(自身を含む): 24944640

約数和(自身を除く): 6902919

約数列:

[1, 3, 31, 93, 419, 463, 1257, 1389, 12989, 14353, 38967, 43059, 193997, 581991, 6013907, 18041721]

約数ペア:

[(1, 18041721), (3, 6013907), (31, 581991), (93, 193997), (419, 43059), (463, 38967), (1257, 14353), (1389, 12989)]