19715988

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{761}}^1$

素因数の和:912

約数の個数: 48

約数和(自身を含む): 49158144

約数和(自身を除く): 29442156

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 127, 204, 254, 381, 508, 761, 762, 1522, 1524, 2159, 2283, 3044, 4318, 4566, 6477, 8636, 9132, 12937, 12954, 25874, 25908, 38811, 51748, 77622, 96647, 155244, 193294, 289941, 386588, 579882, 1159764, 1642999, 3285998, 4928997, 6571996, 9857994, 19715988]

約数ペア:

[(1, 19715988), (2, 9857994), (3, 6571996), (4, 4928997), (6, 3285998), (12, 1642999), (17, 1159764), (34, 579882), (51, 386588), (68, 289941), (102, 193294), (127, 155244), (204, 96647), (254, 77622), (381, 51748), (508, 38811), (761, 25908), (762, 25874), (1522, 12954), (1524, 12937), (2159, 9132), (2283, 8636), (3044, 6477), (4318, 4566)]