18226754

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 36723456

約数和(自身を除く): 18496702

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 43, 86, 91, 119, 137, 182, 221, 238, 274, 301, 442, 559, 602, 731, 959, 1118, 1462, 1547, 1781, 1918, 2329, 3094, 3562, 3913, 4658, 5117, 5891, 7826, 9503, 10234, 11782, 12467, 16303, 19006, 24934, 30277, 32606, 41237, 60554, 66521, 76583, 82474, 100147, 133042, 153166, 200294, 211939, 423878, 536081, 701029, 1072162, 1301911, 1402058, 2603822, 9113377, 18226754]

約数ペア:

[(1, 18226754), (2, 9113377), (7, 2603822), (13, 1402058), (14, 1301911), (17, 1072162), (26, 701029), (34, 536081), (43, 423878), (86, 211939), (91, 200294), (119, 153166), (137, 133042), (182, 100147), (221, 82474), (238, 76583), (274, 66521), (301, 60554), (442, 41237), (559, 32606), (602, 30277), (731, 24934), (959, 19006), (1118, 16303), (1462, 12467), (1547, 11782), (1781, 10234), (1918, 9503), (2329, 7826), (3094, 5891), (3562, 5117), (3913, 4658)]