18543087

素因数分解:

$3^5\times {\mathrm{137}}^1\times {\mathrm{557}}^1$

素因数の和:709

約数の個数: 24

約数和(自身を含む): 28029456

約数和(自身を除く): 9486369

約数列:

[1, 3, 9, 27, 81, 137, 243, 411, 557, 1233, 1671, 3699, 5013, 11097, 15039, 33291, 45117, 76309, 135351, 228927, 686781, 2060343, 6181029, 18543087]

約数ペア:

[(1, 18543087), (3, 6181029), (9, 2060343), (27, 686781), (81, 228927), (137, 135351), (243, 76309), (411, 45117), (557, 33291), (1233, 15039), (1671, 11097), (3699, 5013)]