17720994

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{128413}}^1$

素因数の和:128441

約数の個数: 16

約数和(自身を含む): 36983232

約数和(自身を除く): 19262238

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 128413, 256826, 385239, 770478, 2953499, 5906998, 8860497, 17720994]

約数ペア:

[(1, 17720994), (2, 8860497), (3, 5906998), (6, 2953499), (23, 770478), (46, 385239), (69, 256826), (138, 128413)]