18873504

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^2$

素因数の和:171

約数の個数: 108

約数和(自身を含む): 58625658

約数和(自身を除く): 39752154

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 71, 72, 78, 96, 104, 117, 142, 144, 156, 208, 213, 234, 284, 288, 312, 416, 426, 468, 568, 624, 639, 852, 923, 936, 1136, 1248, 1278, 1704, 1846, 1872, 2272, 2556, 2769, 3408, 3692, 3744, 5041, 5112, 5538, 6816, 7384, 8307, 10082, 10224, 11076, 14768, 15123, 16614, 20164, 20448, 22152, 29536, 30246, 33228, 40328, 44304, 45369, 60492, 65533, 66456, 80656, 88608, 90738, 120984, 131066, 132912, 161312, 181476, 196599, 241968, 262132, 265824, 362952, 393198, 483936, 524264, 589797, 725904, 786396, 1048528, 1179594, 1451808, 1572792, 2097056, 2359188, 3145584, 4718376, 6291168, 9436752, 18873504]

約数ペア:

[(1, 18873504), (2, 9436752), (3, 6291168), (4, 4718376), (6, 3145584), (8, 2359188), (9, 2097056), (12, 1572792), (13, 1451808), (16, 1179594), (18, 1048528), (24, 786396), (26, 725904), (32, 589797), (36, 524264), (39, 483936), (48, 393198), (52, 362952), (71, 265824), (72, 262132), (78, 241968), (96, 196599), (104, 181476), (117, 161312), (142, 132912), (144, 131066), (156, 120984), (208, 90738), (213, 88608), (234, 80656), (284, 66456), (288, 65533), (312, 60492), (416, 45369), (426, 44304), (468, 40328), (568, 33228), (624, 30246), (639, 29536), (852, 22152), (923, 20448), (936, 20164), (1136, 16614), (1248, 15123), (1278, 14768), (1704, 11076), (1846, 10224), (1872, 10082), (2272, 8307), (2556, 7384), (2769, 6816), (3408, 5538), (3692, 5112), (3744, 5041)]