19972204

素因数分解:

$2^2\times 7^3\times {\mathrm{14557}}^1$

素因数の和:14582

約数の個数: 24

約数和(自身を含む): 40762400

約数和(自身を除く): 20790196

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 14557, 29114, 58228, 101899, 203798, 407596, 713293, 1426586, 2853172, 4993051, 9986102, 19972204]

約数ペア:

[(1, 19972204), (2, 9986102), (4, 4993051), (7, 2853172), (14, 1426586), (28, 713293), (49, 407596), (98, 203798), (196, 101899), (343, 58228), (686, 29114), (1372, 14557)]