18214065

素因数分解:

$3^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:305

約数の個数: 56

約数和(自身を含む): 34626240

約数和(自身を除く): 16412175

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 243, 263, 285, 405, 513, 729, 789, 855, 1215, 1315, 1539, 2367, 2565, 3645, 3945, 4617, 4997, 7101, 7695, 11835, 13851, 14991, 21303, 23085, 24985, 35505, 44973, 63909, 69255, 74955, 106515, 134919, 191727, 224865, 319545, 404757, 674595, 958635, 1214271, 2023785, 3642813, 6071355, 18214065]

約数ペア:

[(1, 18214065), (3, 6071355), (5, 3642813), (9, 2023785), (15, 1214271), (19, 958635), (27, 674595), (45, 404757), (57, 319545), (81, 224865), (95, 191727), (135, 134919), (171, 106515), (243, 74955), (263, 69255), (285, 63909), (405, 44973), (513, 35505), (729, 24985), (789, 23085), (855, 21303), (1215, 14991), (1315, 13851), (1539, 11835), (2367, 7695), (2565, 7101), (3645, 4997), (3945, 4617)]