19149645920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{10651}}^1$

素因数の和:11344

約数の個数: 96

約数和(自身を含む): 47979249696

約数和(自身を除く): 28829603776

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 661, 680, 1322, 1360, 2644, 2720, 3305, 5288, 6610, 10576, 10651, 11237, 13220, 21152, 21302, 22474, 26440, 42604, 44948, 52880, 53255, 56185, 85208, 89896, 105760, 106510, 112370, 170416, 179792, 181067, 213020, 224740, 340832, 359584, 362134, 426040, 449480, 724268, 852080, 898960, 905335, 1448536, 1704160, 1797920, 1810670, 2897072, 3621340, 5794144, 7040311, 7242680, 14080622, 14485360, 28161244, 28970720, 35201555, 56322488, 70403110, 112644976, 119685287, 140806220, 225289952, 239370574, 281612440, 478741148, 563224880, 598426435, 957482296, 1126449760, 1196852870, 1914964592, 2393705740, 3829929184, 4787411480, 9574822960, 19149645920]

約数ペア:

[(1, 19149645920), (2, 9574822960), (4, 4787411480), (5, 3829929184), (8, 2393705740), (10, 1914964592), (16, 1196852870), (17, 1126449760), (20, 957482296), (32, 598426435), (34, 563224880), (40, 478741148), (68, 281612440), (80, 239370574), (85, 225289952), (136, 140806220), (160, 119685287), (170, 112644976), (272, 70403110), (340, 56322488), (544, 35201555), (661, 28970720), (680, 28161244), (1322, 14485360), (1360, 14080622), (2644, 7242680), (2720, 7040311), (3305, 5794144), (5288, 3621340), (6610, 2897072), (10576, 1810670), (10651, 1797920), (11237, 1704160), (13220, 1448536), (21152, 905335), (21302, 898960), (22474, 852080), (26440, 724268), (42604, 449480), (44948, 426040), (52880, 362134), (53255, 359584), (56185, 340832), (85208, 224740), (89896, 213020), (105760, 181067), (106510, 179792), (112370, 170416)]