18146919

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{45481}}^1$

素因数の和:45510

約数の個数: 16

約数和(自身を含む): 29108480

約数和(自身を除く): 10961561

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 45481, 136443, 318367, 864139, 955101, 2592417, 6048973, 18146919]

約数ペア:

[(1, 18146919), (3, 6048973), (7, 2592417), (19, 955101), (21, 864139), (57, 318367), (133, 136443), (399, 45481)]