19852168

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4993}}^1$

素因数の和:5077

約数の個数: 32

約数和(自身を含む): 43148160

約数和(自身を除く): 23295992

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 4993, 9986, 19972, 34951, 39944, 69902, 139804, 279608, 354503, 709006, 1418012, 2481521, 2836024, 4963042, 9926084, 19852168]

約数ペア:

[(1, 19852168), (2, 9926084), (4, 4963042), (7, 2836024), (8, 2481521), (14, 1418012), (28, 709006), (56, 354503), (71, 279608), (142, 139804), (284, 69902), (497, 39944), (568, 34951), (994, 19972), (1988, 9986), (3976, 4993)]