19239385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 26790912

約数和(自身を除く): 7551527

約数列:

[1, 5, 11, 23, 55, 67, 115, 227, 253, 335, 737, 1135, 1265, 1541, 2497, 3685, 5221, 7705, 12485, 15209, 16951, 26105, 57431, 76045, 84755, 167299, 287155, 349807, 836495, 1749035, 3847877, 19239385]

約数ペア:

[(1, 19239385), (5, 3847877), (11, 1749035), (23, 836495), (55, 349807), (67, 287155), (115, 167299), (227, 84755), (253, 76045), (335, 57431), (737, 26105), (1135, 16951), (1265, 15209), (1541, 12485), (2497, 7705), (3685, 5221)]