18895977

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{9587}}^1$

素因数の和:9669

約数の個数: 16

約数和(自身を含む): 28380480

約数和(自身を除く): 9484503

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 9587, 28761, 86283, 258849, 699851, 2099553, 6298659, 18895977]

約数ペア:

[(1, 18895977), (3, 6298659), (9, 2099553), (27, 699851), (73, 258849), (219, 86283), (657, 28761), (1971, 9587)]