19728441

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{4273}}^1$

素因数の和:4307

約数の個数: 24

約数和(自身を含む): 31114720

約数和(自身を除く): 11386279

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 4273, 4617, 12819, 38457, 81187, 115371, 243561, 346113, 730683, 1038339, 2192049, 6576147, 19728441]

約数ペア:

[(1, 19728441), (3, 6576147), (9, 2192049), (19, 1038339), (27, 730683), (57, 346113), (81, 243561), (171, 115371), (243, 81187), (513, 38457), (1539, 12819), (4273, 4617)]