18663645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1$

素因数の和:163

約数の個数: 96

約数和(自身を含む): 40755456

約数和(自身を除く): 22091811

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 33, 35, 39, 55, 65, 77, 91, 105, 113, 121, 143, 165, 195, 231, 273, 339, 363, 385, 429, 455, 565, 605, 715, 791, 847, 1001, 1155, 1243, 1365, 1469, 1573, 1695, 1815, 2145, 2373, 2541, 3003, 3729, 3955, 4235, 4407, 4719, 5005, 6215, 7345, 7865, 8701, 10283, 11011, 11865, 12705, 13673, 15015, 16159, 18645, 22035, 23595, 26103, 30849, 33033, 41019, 43505, 48477, 51415, 55055, 68365, 80795, 95711, 113113, 130515, 154245, 165165, 177749, 205095, 242385, 287133, 339339, 478555, 533247, 565565, 888745, 1244243, 1435665, 1696695, 2666235, 3732729, 6221215, 18663645]

約数ペア:

[(1, 18663645), (3, 6221215), (5, 3732729), (7, 2666235), (11, 1696695), (13, 1435665), (15, 1244243), (21, 888745), (33, 565565), (35, 533247), (39, 478555), (55, 339339), (65, 287133), (77, 242385), (91, 205095), (105, 177749), (113, 165165), (121, 154245), (143, 130515), (165, 113113), (195, 95711), (231, 80795), (273, 68365), (339, 55055), (363, 51415), (385, 48477), (429, 43505), (455, 41019), (565, 33033), (605, 30849), (715, 26103), (791, 23595), (847, 22035), (1001, 18645), (1155, 16159), (1243, 15015), (1365, 13673), (1469, 12705), (1573, 11865), (1695, 11011), (1815, 10283), (2145, 8701), (2373, 7865), (2541, 7345), (3003, 6215), (3729, 5005), (3955, 4719), (4235, 4407)]