18897669

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3797}}^1$

素因数の和:3889

約数の個数: 24

約数和(自身を含む): 31599360

約数和(自身を除く): 12701691

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 3797, 4977, 11391, 26579, 34173, 79737, 239211, 299963, 899889, 2099741, 2699667, 6299223, 18897669]

約数ペア:

[(1, 18897669), (3, 6299223), (7, 2699667), (9, 2099741), (21, 899889), (63, 299963), (79, 239211), (237, 79737), (553, 34173), (711, 26579), (1659, 11391), (3797, 4977)]