18947027

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 22561056

約数和(自身を除く): 3614029

約数列:

[1, 11, 17, 61, 121, 151, 187, 671, 1037, 1661, 2057, 2567, 7381, 9211, 11407, 18271, 28237, 101321, 125477, 156587, 310607, 1114531, 1722457, 18947027]

約数ペア:

[(1, 18947027), (11, 1722457), (17, 1114531), (61, 310607), (121, 156587), (151, 125477), (187, 101321), (671, 28237), (1037, 18271), (1661, 11407), (2057, 9211), (2567, 7381)]