18070843

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1637}}^1$

素因数の和:1746

約数の個数: 16

約数和(自身を含む): 22014720

約数和(自身を除く): 3943877

約数列:

[1, 7, 19, 83, 133, 581, 1577, 1637, 11039, 11459, 31103, 135871, 217721, 951097, 2581549, 18070843]

約数ペア:

[(1, 18070843), (7, 2581549), (19, 951097), (83, 217721), (133, 135871), (581, 31103), (1577, 11459), (1637, 11039)]