18658804

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{907}}^1$

素因数の和:1087

約数の個数: 24

約数和(自身を含む): 33813920

約数和(自身を除く): 15155116

約数列:

[1, 2, 4, 37, 74, 139, 148, 278, 556, 907, 1814, 3628, 5143, 10286, 20572, 33559, 67118, 126073, 134236, 252146, 504292, 4664701, 9329402, 18658804]

約数ペア:

[(1, 18658804), (2, 9329402), (4, 4664701), (37, 504292), (74, 252146), (139, 134236), (148, 126073), (278, 67118), (556, 33559), (907, 20572), (1814, 10286), (3628, 5143)]