18680496987295

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{389}}^1\times {\mathrm{1138363}}^1$

素因数の和:1138840

約数の個数: 64

約数和(自身を含む): 26850819340800

約数和(自身を除く): 8170322353505

約数列:

[1, 5, 11, 13, 55, 59, 65, 143, 295, 389, 649, 715, 767, 1945, 3245, 3835, 4279, 5057, 8437, 21395, 22951, 25285, 42185, 55627, 114755, 252461, 278135, 298363, 1138363, 1262305, 1491815, 3281993, 5691815, 12521993, 14798719, 16409965, 62609965, 67163417, 73993595, 162785909, 335817085, 442823207, 738797587, 813929545, 873124421, 2214116035, 3693987935, 4365622105, 4871055277, 5756701691, 9604368631, 24355276385, 26126569213, 28783508455, 48021843155, 63323718601, 130632846065, 287392261343, 316618593005, 339645399769, 1436961306715, 1698226998845, 3736099397459, 18680496987295]

約数ペア:

[(1, 18680496987295), (5, 3736099397459), (11, 1698226998845), (13, 1436961306715), (55, 339645399769), (59, 316618593005), (65, 287392261343), (143, 130632846065), (295, 63323718601), (389, 48021843155), (649, 28783508455), (715, 26126569213), (767, 24355276385), (1945, 9604368631), (3245, 5756701691), (3835, 4871055277), (4279, 4365622105), (5057, 3693987935), (8437, 2214116035), (21395, 873124421), (22951, 813929545), (25285, 738797587), (42185, 442823207), (55627, 335817085), (114755, 162785909), (252461, 73993595), (278135, 67163417), (298363, 62609965), (1138363, 16409965), (1262305, 14798719), (1491815, 12521993), (3281993, 5691815)]