19479275

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1783}}^1$

素因数の和:1835

約数の個数: 24

約数和(自身を含む): 26545920

約数和(自身を除く): 7066645

約数列:

[1, 5, 19, 23, 25, 95, 115, 437, 475, 575, 1783, 2185, 8915, 10925, 33877, 41009, 44575, 169385, 205045, 779171, 846925, 1025225, 3895855, 19479275]

約数ペア:

[(1, 19479275), (5, 3895855), (19, 1025225), (23, 846925), (25, 779171), (95, 205045), (115, 169385), (437, 44575), (475, 41009), (575, 33877), (1783, 10925), (2185, 8915)]