19645687568

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{887}}^1\times {\mathrm{8191}}^1$

素因数の和:9112

約数の個数: 60

約数和(自身を含む): 41268215808

約数和(自身を除く): 21622528240

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 887, 1352, 1774, 2704, 3548, 7096, 8191, 11531, 14192, 16382, 23062, 32764, 46124, 65528, 92248, 106483, 131056, 149903, 184496, 212966, 299806, 425932, 599612, 851864, 1199224, 1384279, 1703728, 2398448, 2768558, 5537116, 7265417, 11074232, 14530834, 22148464, 29061668, 58123336, 94450421, 116246672, 188900842, 377801684, 755603368, 1227855473, 1511206736, 2455710946, 4911421892, 9822843784, 19645687568]

約数ペア:

[(1, 19645687568), (2, 9822843784), (4, 4911421892), (8, 2455710946), (13, 1511206736), (16, 1227855473), (26, 755603368), (52, 377801684), (104, 188900842), (169, 116246672), (208, 94450421), (338, 58123336), (676, 29061668), (887, 22148464), (1352, 14530834), (1774, 11074232), (2704, 7265417), (3548, 5537116), (7096, 2768558), (8191, 2398448), (11531, 1703728), (14192, 1384279), (16382, 1199224), (23062, 851864), (32764, 599612), (46124, 425932), (65528, 299806), (92248, 212966), (106483, 184496), (131056, 149903)]