19267976

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 47880000

約数和(自身を除く): 28612024

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 49, 52, 56, 76, 91, 98, 104, 133, 152, 182, 196, 199, 247, 266, 364, 392, 398, 494, 532, 637, 728, 796, 931, 988, 1064, 1274, 1393, 1592, 1729, 1862, 1976, 2548, 2587, 2786, 3458, 3724, 3781, 5096, 5174, 5572, 6916, 7448, 7562, 9751, 10348, 11144, 12103, 13832, 15124, 18109, 19502, 20696, 24206, 26467, 30248, 36218, 39004, 48412, 49153, 52934, 72436, 78008, 96824, 98306, 105868, 126763, 144872, 185269, 196612, 211736, 253526, 344071, 370538, 393224, 507052, 688142, 741076, 1014104, 1376284, 1482152, 2408497, 2752568, 4816994, 9633988, 19267976]

約数ペア:

[(1, 19267976), (2, 9633988), (4, 4816994), (7, 2752568), (8, 2408497), (13, 1482152), (14, 1376284), (19, 1014104), (26, 741076), (28, 688142), (38, 507052), (49, 393224), (52, 370538), (56, 344071), (76, 253526), (91, 211736), (98, 196612), (104, 185269), (133, 144872), (152, 126763), (182, 105868), (196, 98306), (199, 96824), (247, 78008), (266, 72436), (364, 52934), (392, 49153), (398, 48412), (494, 39004), (532, 36218), (637, 30248), (728, 26467), (796, 24206), (931, 20696), (988, 19502), (1064, 18109), (1274, 15124), (1393, 13832), (1592, 12103), (1729, 11144), (1862, 10348), (1976, 9751), (2548, 7562), (2587, 7448), (2786, 6916), (3458, 5572), (3724, 5174), (3781, 5096)]