19858743

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{38711}}^1$

素因数の和:38739

約数の個数: 16

約数和(自身を含む): 30969600

約数和(自身を除く): 11110857

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 38711, 116133, 348399, 735509, 1045197, 2206527, 6619581, 19858743]

約数ペア:

[(1, 19858743), (3, 6619581), (9, 2206527), (19, 1045197), (27, 735509), (57, 348399), (171, 116133), (513, 38711)]