19909155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1493}}^1$

素因数の和:1635

約数の個数: 32

約数和(自身を含む): 36716544

約数和(自身を除く): 16807389

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 127, 381, 635, 889, 1493, 1905, 2667, 4445, 4479, 7465, 10451, 13335, 22395, 31353, 52255, 156765, 189611, 568833, 948055, 1327277, 2844165, 3981831, 6636385, 19909155]

約数ペア:

[(1, 19909155), (3, 6636385), (5, 3981831), (7, 2844165), (15, 1327277), (21, 948055), (35, 568833), (105, 189611), (127, 156765), (381, 52255), (635, 31353), (889, 22395), (1493, 13335), (1905, 10451), (2667, 7465), (4445, 4479)]