17943642

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:387

約数の個数: 48

約数和(自身を含む): 40360320

約数和(自身を除く): 22416678

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 97, 129, 194, 239, 258, 291, 387, 478, 582, 717, 774, 873, 1434, 1746, 2151, 4171, 4302, 8342, 10277, 12513, 20554, 23183, 25026, 30831, 37539, 46366, 61662, 69549, 75078, 92493, 139098, 184986, 208647, 417294, 996869, 1993738, 2990607, 5981214, 8971821, 17943642]

約数ペア:

[(1, 17943642), (2, 8971821), (3, 5981214), (6, 2990607), (9, 1993738), (18, 996869), (43, 417294), (86, 208647), (97, 184986), (129, 139098), (194, 92493), (239, 75078), (258, 69549), (291, 61662), (387, 46366), (478, 37539), (582, 30831), (717, 25026), (774, 23183), (873, 20554), (1434, 12513), (1746, 10277), (2151, 8342), (4171, 4302)]