18708886

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^2\times {\mathrm{227}}^1$

素因数の和:301

約数の個数: 36

約数和(自身を含む): 33958548

約数和(自身を除く): 15249662

約数列:

[1, 2, 7, 14, 29, 49, 58, 98, 203, 227, 406, 454, 841, 1421, 1589, 1682, 2842, 3178, 5887, 6583, 11123, 11774, 13166, 22246, 41209, 46081, 82418, 92162, 190907, 322567, 381814, 645134, 1336349, 2672698, 9354443, 18708886]

約数ペア:

[(1, 18708886), (2, 9354443), (7, 2672698), (14, 1336349), (29, 645134), (49, 381814), (58, 322567), (98, 190907), (203, 92162), (227, 82418), (406, 46081), (454, 41209), (841, 22246), (1421, 13166), (1589, 11774), (1682, 11123), (2842, 6583), (3178, 5887)]