18747927

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9967}}^1$

素因数の和:10003

約数の個数: 24

約数和(自身を含む): 31100160

約数和(自身を除く): 12352233

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 9967, 29901, 89703, 109637, 189373, 328911, 568119, 986733, 1704357, 2083103, 6249309, 18747927]

約数ペア:

[(1, 18747927), (3, 6249309), (9, 2083103), (11, 1704357), (19, 986733), (33, 568119), (57, 328911), (99, 189373), (171, 109637), (209, 89703), (627, 29901), (1881, 9967)]