19989648

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{2833}}^1$

素因数の和:2861

約数の個数: 90

約数和(自身を含む): 65099814

約数和(自身を除く): 45110166

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 504, 588, 784, 882, 1008, 1176, 1764, 2352, 2833, 3528, 5666, 7056, 8499, 11332, 16998, 19831, 22664, 25497, 33996, 39662, 45328, 50994, 59493, 67992, 79324, 101988, 118986, 135984, 138817, 158648, 178479, 203976, 237972, 277634, 317296, 356958, 407952, 416451, 475944, 555268, 713916, 832902, 951888, 1110536, 1249353, 1427832, 1665804, 2221072, 2498706, 2855664, 3331608, 4997412, 6663216, 9994824, 19989648]

約数ペア:

[(1, 19989648), (2, 9994824), (3, 6663216), (4, 4997412), (6, 3331608), (7, 2855664), (8, 2498706), (9, 2221072), (12, 1665804), (14, 1427832), (16, 1249353), (18, 1110536), (21, 951888), (24, 832902), (28, 713916), (36, 555268), (42, 475944), (48, 416451), (49, 407952), (56, 356958), (63, 317296), (72, 277634), (84, 237972), (98, 203976), (112, 178479), (126, 158648), (144, 138817), (147, 135984), (168, 118986), (196, 101988), (252, 79324), (294, 67992), (336, 59493), (392, 50994), (441, 45328), (504, 39662), (588, 33996), (784, 25497), (882, 22664), (1008, 19831), (1176, 16998), (1764, 11332), (2352, 8499), (2833, 7056), (3528, 5666)]