18864276865

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1\times {\mathrm{547}}^1$

素因数の和:1114

約数の個数: 64

約数和(自身を含む): 27698112000

約数和(自身を除く): 8833835135

約数列:

[1, 5, 7, 17, 35, 85, 119, 149, 389, 547, 595, 745, 1043, 1945, 2533, 2723, 2735, 3829, 5215, 6613, 9299, 12665, 13615, 17731, 19145, 33065, 46291, 46495, 57961, 65093, 81503, 88655, 212783, 231455, 289805, 325465, 405727, 407515, 570521, 985337, 1063915, 1385551, 1489481, 2028635, 2852605, 3617311, 4926685, 6897359, 6927755, 7447405, 9698857, 18086555, 25321177, 31704667, 34486795, 48494285, 126605885, 158523335, 221932669, 538979339, 1109663345, 2694896695, 3772855373, 18864276865]

約数ペア:

[(1, 18864276865), (5, 3772855373), (7, 2694896695), (17, 1109663345), (35, 538979339), (85, 221932669), (119, 158523335), (149, 126605885), (389, 48494285), (547, 34486795), (595, 31704667), (745, 25321177), (1043, 18086555), (1945, 9698857), (2533, 7447405), (2723, 6927755), (2735, 6897359), (3829, 4926685), (5215, 3617311), (6613, 2852605), (9299, 2028635), (12665, 1489481), (13615, 1385551), (17731, 1063915), (19145, 985337), (33065, 570521), (46291, 407515), (46495, 405727), (57961, 325465), (65093, 289805), (81503, 231455), (88655, 212783)]