19540869

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{1637}}^1$

素因数の和:1836

約数の個数: 16

約数和(自身を含む): 27361152

約数和(自身を除く): 7820283

約数列:

[1, 3, 23, 69, 173, 519, 1637, 3979, 4911, 11937, 37651, 112953, 283201, 849603, 6513623, 19540869]

約数ペア:

[(1, 19540869), (3, 6513623), (23, 849603), (69, 283201), (173, 112953), (519, 37651), (1637, 11937), (3979, 4911)]