18128922

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{383}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 44236800

約数和(自身を除く): 26107878

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 49, 69, 98, 138, 147, 161, 294, 322, 343, 383, 483, 686, 766, 966, 1029, 1127, 1149, 2058, 2254, 2298, 2681, 3381, 5362, 6762, 7889, 8043, 8809, 15778, 16086, 17618, 18767, 23667, 26427, 37534, 47334, 52854, 56301, 61663, 112602, 123326, 131369, 184989, 262738, 369978, 394107, 431641, 788214, 863282, 1294923, 2589846, 3021487, 6042974, 9064461, 18128922]

約数ペア:

[(1, 18128922), (2, 9064461), (3, 6042974), (6, 3021487), (7, 2589846), (14, 1294923), (21, 863282), (23, 788214), (42, 431641), (46, 394107), (49, 369978), (69, 262738), (98, 184989), (138, 131369), (147, 123326), (161, 112602), (294, 61663), (322, 56301), (343, 52854), (383, 47334), (483, 37534), (686, 26427), (766, 23667), (966, 18767), (1029, 17618), (1127, 16086), (1149, 15778), (2058, 8809), (2254, 8043), (2298, 7889), (2681, 6762), (3381, 5362)]