18645441

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{4481}}^1$

素因数の和:4576

約数の個数: 16

約数和(自身を含む): 26533440

約数和(自身を除く): 7887999

約数列:

[1, 3, 19, 57, 73, 219, 1387, 4161, 4481, 13443, 85139, 255417, 327113, 981339, 6215147, 18645441]

約数ペア:

[(1, 18645441), (3, 6215147), (19, 981339), (57, 327113), (73, 255417), (219, 85139), (1387, 13443), (4161, 4481)]