19448191

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:199

約数の個数: 32

約数和(自身を含む): 24883200

約数和(自身を除く): 5435009

約数列:

[1, 7, 19, 31, 53, 89, 133, 217, 371, 589, 623, 1007, 1643, 1691, 2759, 4123, 4717, 7049, 11501, 11837, 19313, 31217, 33019, 52421, 89623, 146227, 218519, 366947, 627361, 1023589, 2778313, 19448191]

約数ペア:

[(1, 19448191), (7, 2778313), (19, 1023589), (31, 627361), (53, 366947), (89, 218519), (133, 146227), (217, 89623), (371, 52421), (589, 33019), (623, 31217), (1007, 19313), (1643, 11837), (1691, 11501), (2759, 7049), (4123, 4717)]