19135563

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 28131840

約数和(自身を除く): 8996277

約数列:

[1, 3, 23, 29, 69, 73, 87, 131, 219, 393, 667, 1679, 2001, 2117, 3013, 3799, 5037, 6351, 9039, 9563, 11397, 28689, 48691, 87377, 146073, 219949, 262131, 277327, 659847, 831981, 6378521, 19135563]

約数ペア:

[(1, 19135563), (3, 6378521), (23, 831981), (29, 659847), (69, 277327), (73, 262131), (87, 219949), (131, 146073), (219, 87377), (393, 48691), (667, 28689), (1679, 11397), (2001, 9563), (2117, 9039), (3013, 6351), (3799, 5037)]