19009917

素因数分解:

$3^3\times {\mathrm{101}}^1\times {\mathrm{6971}}^1$

素因数の和:7081

約数の個数: 16

約数和(自身を含む): 28445760

約数和(自身を除く): 9435843

約数列:

[1, 3, 9, 27, 101, 303, 909, 2727, 6971, 20913, 62739, 188217, 704071, 2112213, 6336639, 19009917]

約数ペア:

[(1, 19009917), (3, 6336639), (9, 2112213), (27, 704071), (101, 188217), (303, 62739), (909, 20913), (2727, 6971)]