19825420048

素因数分解:

$2^4\times 7^1\times {\mathrm{1321}}^1\times {\mathrm{133999}}^1$

素因数の和:135335

約数の個数: 40

約数和(自身を含む): 43932704000

約数和(自身を除く): 24107283952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1321, 2642, 5284, 9247, 10568, 18494, 21136, 36988, 73976, 133999, 147952, 267998, 535996, 937993, 1071992, 1875986, 2143984, 3751972, 7503944, 15007888, 177012679, 354025358, 708050716, 1239088753, 1416101432, 2478177506, 2832202864, 4956355012, 9912710024, 19825420048]

約数ペア:

[(1, 19825420048), (2, 9912710024), (4, 4956355012), (7, 2832202864), (8, 2478177506), (14, 1416101432), (16, 1239088753), (28, 708050716), (56, 354025358), (112, 177012679), (1321, 15007888), (2642, 7503944), (5284, 3751972), (9247, 2143984), (10568, 1875986), (18494, 1071992), (21136, 937993), (36988, 535996), (73976, 267998), (133999, 147952)]