19142585

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{7103}}^1$

素因数の和:7133

約数の個数: 24

約数和(自身を含む): 29154816

約数和(自身を除く): 10012231

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 7103, 35515, 49721, 78133, 248605, 348047, 390665, 546931, 1740235, 2734655, 3828517, 19142585]

約数ペア:

[(1, 19142585), (5, 3828517), (7, 2734655), (11, 1740235), (35, 546931), (49, 390665), (55, 348047), (77, 248605), (245, 78133), (385, 49721), (539, 35515), (2695, 7103)]