19490608

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{7759}}^1$

素因数の和:7924

約数の個数: 20

約数和(自身を含む): 38008480

約数和(自身を除く): 18517872

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 7759, 15518, 31036, 62072, 124144, 1218163, 2436326, 4872652, 9745304, 19490608]

約数ペア:

[(1, 19490608), (2, 9745304), (4, 4872652), (8, 2436326), (16, 1218163), (157, 124144), (314, 62072), (628, 31036), (1256, 15518), (2512, 7759)]