18902807

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1933}}^1$

素因数の和:2078

約数の個数: 16

約数和(自身を含む): 23764992

約数和(自身を除く): 4862185

約数列:

[1, 7, 11, 77, 127, 889, 1397, 1933, 9779, 13531, 21263, 148841, 245491, 1718437, 2700401, 18902807]

約数ペア:

[(1, 18902807), (7, 2700401), (11, 1718437), (77, 245491), (127, 148841), (889, 21263), (1397, 13531), (1933, 9779)]