18470990

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 34145280

約数和(自身を除く): 15674290

約数列:

[1, 2, 5, 10, 79, 103, 158, 206, 227, 395, 454, 515, 790, 1030, 1135, 2270, 8137, 16274, 17933, 23381, 35866, 40685, 46762, 81370, 89665, 116905, 179330, 233810, 1847099, 3694198, 9235495, 18470990]

約数ペア:

[(1, 18470990), (2, 9235495), (5, 3694198), (10, 1847099), (79, 233810), (103, 179330), (158, 116905), (206, 89665), (227, 81370), (395, 46762), (454, 40685), (515, 35866), (790, 23381), (1030, 17933), (1135, 16274), (2270, 8137)]