19147601440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{989029}}^1$

素因数の和:989066

約数の個数: 72

約数和(自身を含む): 49722494220

約数和(自身を除く): 30574892780

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 3872, 4840, 9680, 19360, 989029, 1978058, 3956116, 4945145, 7912232, 9890290, 10879319, 15824464, 19780580, 21758638, 31648928, 39561160, 43517276, 54396595, 79122320, 87034552, 108793190, 119672509, 158244640, 174069104, 217586380, 239345018, 348138208, 435172760, 478690036, 598362545, 870345520, 957380072, 1196725090, 1740691040, 1914760144, 2393450180, 3829520288, 4786900360, 9573800720, 19147601440]

約数ペア:

[(1, 19147601440), (2, 9573800720), (4, 4786900360), (5, 3829520288), (8, 2393450180), (10, 1914760144), (11, 1740691040), (16, 1196725090), (20, 957380072), (22, 870345520), (32, 598362545), (40, 478690036), (44, 435172760), (55, 348138208), (80, 239345018), (88, 217586380), (110, 174069104), (121, 158244640), (160, 119672509), (176, 108793190), (220, 87034552), (242, 79122320), (352, 54396595), (440, 43517276), (484, 39561160), (605, 31648928), (880, 21758638), (968, 19780580), (1210, 15824464), (1760, 10879319), (1936, 9890290), (2420, 7912232), (3872, 4945145), (4840, 3956116), (9680, 1978058), (19360, 989029)]