18787776

素因数分解:

$2^6\times 3^1\times 7^2\times {\mathrm{1997}}^1$

素因数の和:2026

約数の個数: 84

約数和(自身を含む): 57854088

約数和(自身を除く): 39066312

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 147, 168, 192, 196, 224, 294, 336, 392, 448, 588, 672, 784, 1176, 1344, 1568, 1997, 2352, 3136, 3994, 4704, 5991, 7988, 9408, 11982, 13979, 15976, 23964, 27958, 31952, 41937, 47928, 55916, 63904, 83874, 95856, 97853, 111832, 127808, 167748, 191712, 195706, 223664, 293559, 335496, 383424, 391412, 447328, 587118, 670992, 782824, 894656, 1174236, 1341984, 1565648, 2348472, 2683968, 3131296, 4696944, 6262592, 9393888, 18787776]

約数ペア:

[(1, 18787776), (2, 9393888), (3, 6262592), (4, 4696944), (6, 3131296), (7, 2683968), (8, 2348472), (12, 1565648), (14, 1341984), (16, 1174236), (21, 894656), (24, 782824), (28, 670992), (32, 587118), (42, 447328), (48, 391412), (49, 383424), (56, 335496), (64, 293559), (84, 223664), (96, 195706), (98, 191712), (112, 167748), (147, 127808), (168, 111832), (192, 97853), (196, 95856), (224, 83874), (294, 63904), (336, 55916), (392, 47928), (448, 41937), (588, 31952), (672, 27958), (784, 23964), (1176, 15976), (1344, 13979), (1568, 11982), (1997, 9408), (2352, 7988), (3136, 5991), (3994, 4704)]