19679165

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 27029376

約数和(自身を除く): 7350211

約数列:

[1, 5, 11, 43, 53, 55, 157, 215, 265, 473, 583, 785, 1727, 2279, 2365, 2915, 6751, 8321, 8635, 11395, 25069, 33755, 41605, 74261, 91531, 125345, 357803, 371305, 457655, 1789015, 3935833, 19679165]

約数ペア:

[(1, 19679165), (5, 3935833), (11, 1789015), (43, 457655), (53, 371305), (55, 357803), (157, 125345), (215, 91531), (265, 74261), (473, 41605), (583, 33755), (785, 25069), (1727, 11395), (2279, 8635), (2365, 8321), (2915, 6751)]