19205810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{941}}^1$

素因数の和:1118

約数の個数: 32

約数和(自身を含む): 37506672

約数和(自身を除く): 18300862

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157, 314, 785, 941, 1570, 1882, 2041, 4082, 4705, 9410, 10205, 12233, 20410, 24466, 61165, 122330, 147737, 295474, 738685, 1477370, 1920581, 3841162, 9602905, 19205810]

約数ペア:

[(1, 19205810), (2, 9602905), (5, 3841162), (10, 1920581), (13, 1477370), (26, 738685), (65, 295474), (130, 147737), (157, 122330), (314, 61165), (785, 24466), (941, 20410), (1570, 12233), (1882, 10205), (2041, 9410), (4082, 4705)]