19665171

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{115001}}^1$

素因数の和:115026

約数の個数: 12

約数和(自身を含む): 29900520

約数和(自身を除く): 10235349

約数列:

[1, 3, 9, 19, 57, 171, 115001, 345003, 1035009, 2185019, 6555057, 19665171]

約数ペア:

[(1, 19665171), (3, 6555057), (9, 2185019), (19, 1035009), (57, 345003), (171, 115001)]