20188953652

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1025653}}^1$

素因数の和:1025720

約数の個数: 48

約数和(自身を含む): 43651834240

約数和(自身を除く): 23462880588

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 74, 76, 133, 148, 259, 266, 518, 532, 703, 1036, 1406, 2812, 4921, 9842, 19684, 1025653, 2051306, 4102612, 7179571, 14359142, 19487407, 28718284, 37949161, 38974814, 75898322, 77949628, 136411849, 151796644, 265644127, 272823698, 531288254, 545647396, 721034059, 1062576508, 1442068118, 2884136236, 5047238413, 10094476826, 20188953652]

約数ペア:

[(1, 20188953652), (2, 10094476826), (4, 5047238413), (7, 2884136236), (14, 1442068118), (19, 1062576508), (28, 721034059), (37, 545647396), (38, 531288254), (74, 272823698), (76, 265644127), (133, 151796644), (148, 136411849), (259, 77949628), (266, 75898322), (518, 38974814), (532, 37949161), (703, 28718284), (1036, 19487407), (1406, 14359142), (2812, 7179571), (4921, 4102612), (9842, 2051306), (19684, 1025653)]