18519806

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{2143}}^1$

素因数の和:2323

約数の個数: 16

約数和(自身を含む): 28944000

約数和(自身を除く): 10424194

約数列:

[1, 2, 29, 58, 149, 298, 2143, 4286, 4321, 8642, 62147, 124294, 319307, 638614, 9259903, 18519806]

約数ペア:

[(1, 18519806), (2, 9259903), (29, 638614), (58, 319307), (149, 124294), (298, 62147), (2143, 8642), (4286, 4321)]