18213279

素因数分解:

$3^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{2003}}^1$

素因数の和:2446

約数の個数: 16

約数和(自身を含む): 27831552

約数和(自身を除く): 9618273

約数列:

[1, 3, 7, 21, 433, 1299, 2003, 3031, 6009, 9093, 14021, 42063, 867299, 2601897, 6071093, 18213279]

約数ペア:

[(1, 18213279), (3, 6071093), (7, 2601897), (21, 867299), (433, 42063), (1299, 14021), (2003, 9093), (3031, 6009)]