18870411

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{14731}}^1$

素因数の和:14802

約数の個数: 16

約数和(自身を含む): 29228288

約数和(自身を除く): 10357877

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 14731, 44193, 103117, 309351, 898591, 2695773, 6290137, 18870411]

約数ペア:

[(1, 18870411), (3, 6290137), (7, 2695773), (21, 898591), (61, 309351), (183, 103117), (427, 44193), (1281, 14731)]