18470081

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1289}}^1$

素因数の和:1408

約数の個数: 16

約数和(自身を含む): 22291200

約数和(自身を除く): 3821119

約数列:

[1, 7, 23, 89, 161, 623, 1289, 2047, 9023, 14329, 29647, 114721, 207529, 803047, 2638583, 18470081]

約数ペア:

[(1, 18470081), (7, 2638583), (23, 803047), (89, 207529), (161, 114721), (623, 29647), (1289, 14329), (2047, 9023)]