18609668

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 96

約数和(自身を含む): 44126208

約数和(自身を除く): 25516540

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 37, 44, 46, 71, 74, 77, 92, 142, 148, 154, 161, 253, 259, 284, 308, 322, 407, 497, 506, 518, 644, 781, 814, 851, 994, 1012, 1036, 1562, 1628, 1633, 1702, 1771, 1988, 2627, 2849, 3124, 3266, 3404, 3542, 5254, 5467, 5698, 5957, 6532, 7084, 9361, 10508, 10934, 11396, 11431, 11914, 17963, 18389, 18722, 21868, 22862, 23828, 28897, 35926, 36778, 37444, 45724, 57794, 60421, 65527, 71852, 73556, 115588, 120842, 125741, 131054, 202279, 241684, 251482, 262108, 404558, 422947, 502964, 664631, 809116, 845894, 1329262, 1691788, 2658524, 4652417, 9304834, 18609668]

約数ペア:

[(1, 18609668), (2, 9304834), (4, 4652417), (7, 2658524), (11, 1691788), (14, 1329262), (22, 845894), (23, 809116), (28, 664631), (37, 502964), (44, 422947), (46, 404558), (71, 262108), (74, 251482), (77, 241684), (92, 202279), (142, 131054), (148, 125741), (154, 120842), (161, 115588), (253, 73556), (259, 71852), (284, 65527), (308, 60421), (322, 57794), (407, 45724), (497, 37444), (506, 36778), (518, 35926), (644, 28897), (781, 23828), (814, 22862), (851, 21868), (994, 18722), (1012, 18389), (1036, 17963), (1562, 11914), (1628, 11431), (1633, 11396), (1702, 10934), (1771, 10508), (1988, 9361), (2627, 7084), (2849, 6532), (3124, 5957), (3266, 5698), (3404, 5467), (3542, 5254)]