19728636

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{997}}^1$

素因数の和:1118

約数の個数: 48

約数和(自身を含む): 49293216

約数和(自身を除く): 29564580

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 97, 102, 194, 204, 291, 388, 582, 997, 1164, 1649, 1994, 2991, 3298, 3988, 4947, 5982, 6596, 9894, 11964, 16949, 19788, 33898, 50847, 67796, 96709, 101694, 193418, 203388, 290127, 386836, 580254, 1160508, 1644053, 3288106, 4932159, 6576212, 9864318, 19728636]

約数ペア:

[(1, 19728636), (2, 9864318), (3, 6576212), (4, 4932159), (6, 3288106), (12, 1644053), (17, 1160508), (34, 580254), (51, 386836), (68, 290127), (97, 203388), (102, 193418), (194, 101694), (204, 96709), (291, 67796), (388, 50847), (582, 33898), (997, 19788), (1164, 16949), (1649, 11964), (1994, 9894), (2991, 6596), (3298, 5982), (3988, 4947)]