18454722

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 43956864

約数和(自身を除く): 25502142

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 137, 143, 157, 274, 286, 314, 411, 429, 471, 822, 858, 942, 1507, 1727, 1781, 2041, 3014, 3454, 3562, 4082, 4521, 5181, 5343, 6123, 9042, 10362, 10686, 12246, 19591, 21509, 22451, 39182, 43018, 44902, 58773, 64527, 67353, 117546, 129054, 134706, 236599, 279617, 473198, 559234, 709797, 838851, 1419594, 1677702, 3075787, 6151574, 9227361, 18454722]

約数ペア:

[(1, 18454722), (2, 9227361), (3, 6151574), (6, 3075787), (11, 1677702), (13, 1419594), (22, 838851), (26, 709797), (33, 559234), (39, 473198), (66, 279617), (78, 236599), (137, 134706), (143, 129054), (157, 117546), (274, 67353), (286, 64527), (314, 58773), (411, 44902), (429, 43018), (471, 39182), (822, 22451), (858, 21509), (942, 19591), (1507, 12246), (1727, 10686), (1781, 10362), (2041, 9042), (3014, 6123), (3454, 5343), (3562, 5181), (4082, 4521)]