18675566

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:273

約数の個数: 48

約数和(自身を含む): 35680176

約数和(自身を除く): 17004610

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 107, 137, 182, 214, 274, 637, 749, 959, 1274, 1391, 1498, 1781, 1918, 2782, 3562, 5243, 6713, 9737, 10486, 12467, 13426, 14659, 19474, 24934, 29318, 68159, 87269, 102613, 136318, 174538, 190567, 205226, 381134, 718291, 1333969, 1436582, 2667938, 9337783, 18675566]

約数ペア:

[(1, 18675566), (2, 9337783), (7, 2667938), (13, 1436582), (14, 1333969), (26, 718291), (49, 381134), (91, 205226), (98, 190567), (107, 174538), (137, 136318), (182, 102613), (214, 87269), (274, 68159), (637, 29318), (749, 24934), (959, 19474), (1274, 14659), (1391, 13426), (1498, 12467), (1781, 10486), (1918, 9737), (2782, 6713), (3562, 5243)]