17921998

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1\times {\mathrm{359}}^1$

素因数の和:699

約数の個数: 16

約数和(自身を含む): 27324000

約数和(自身を除く): 9402002

約数列:

[1, 2, 109, 218, 229, 359, 458, 718, 24961, 39131, 49922, 78262, 82211, 164422, 8960999, 17921998]

約数ペア:

[(1, 17921998), (2, 8960999), (109, 164422), (218, 82211), (229, 78262), (359, 49922), (458, 39131), (718, 24961)]