19713008

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:190

約数の個数: 80

約数和(自身を含む): 46139904

約数和(自身を除く): 26426896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 67, 71, 74, 112, 134, 142, 148, 259, 268, 284, 296, 469, 497, 518, 536, 568, 592, 938, 994, 1036, 1072, 1136, 1876, 1988, 2072, 2479, 2627, 3752, 3976, 4144, 4757, 4958, 5254, 7504, 7952, 9514, 9916, 10508, 17353, 18389, 19028, 19832, 21016, 33299, 34706, 36778, 38056, 39664, 42032, 66598, 69412, 73556, 76112, 133196, 138824, 147112, 176009, 266392, 277648, 294224, 352018, 532784, 704036, 1232063, 1408072, 2464126, 2816144, 4928252, 9856504, 19713008]

約数ペア:

[(1, 19713008), (2, 9856504), (4, 4928252), (7, 2816144), (8, 2464126), (14, 1408072), (16, 1232063), (28, 704036), (37, 532784), (56, 352018), (67, 294224), (71, 277648), (74, 266392), (112, 176009), (134, 147112), (142, 138824), (148, 133196), (259, 76112), (268, 73556), (284, 69412), (296, 66598), (469, 42032), (497, 39664), (518, 38056), (536, 36778), (568, 34706), (592, 33299), (938, 21016), (994, 19832), (1036, 19028), (1072, 18389), (1136, 17353), (1876, 10508), (1988, 9916), (2072, 9514), (2479, 7952), (2627, 7504), (3752, 5254), (3976, 4958), (4144, 4757)]