18635796

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 50004864

約数和(自身を除く): 31369068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 71, 92, 138, 142, 207, 213, 276, 284, 317, 414, 426, 634, 639, 828, 852, 951, 1268, 1278, 1633, 1902, 2556, 2853, 3266, 3804, 4899, 5706, 6532, 7291, 9798, 11412, 14582, 14697, 19596, 21873, 22507, 29164, 29394, 43746, 45014, 58788, 65619, 67521, 87492, 90028, 131238, 135042, 202563, 262476, 270084, 405126, 517661, 810252, 1035322, 1552983, 2070644, 3105966, 4658949, 6211932, 9317898, 18635796]

約数ペア:

[(1, 18635796), (2, 9317898), (3, 6211932), (4, 4658949), (6, 3105966), (9, 2070644), (12, 1552983), (18, 1035322), (23, 810252), (36, 517661), (46, 405126), (69, 270084), (71, 262476), (92, 202563), (138, 135042), (142, 131238), (207, 90028), (213, 87492), (276, 67521), (284, 65619), (317, 58788), (414, 45014), (426, 43746), (634, 29394), (639, 29164), (828, 22507), (852, 21873), (951, 19596), (1268, 14697), (1278, 14582), (1633, 11412), (1902, 9798), (2556, 7291), (2853, 6532), (3266, 5706), (3804, 4899)]