18861639

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{877}}^1$

素因数の和:1054

約数の個数: 16

約数和(自身を含む): 25792128

約数和(自身を除く): 6930489

約数列:

[1, 3, 67, 107, 201, 321, 877, 2631, 7169, 21507, 58759, 93839, 176277, 281517, 6287213, 18861639]

約数ペア:

[(1, 18861639), (3, 6287213), (67, 281517), (107, 176277), (201, 93839), (321, 58759), (877, 21507), (2631, 7169)]