19416321

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{9851}}^1$

素因数の和:9933

約数の個数: 16

約数和(自身を含む): 29161920

約数和(自身を除く): 9745599

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 9851, 29553, 88659, 265977, 719123, 2157369, 6472107, 19416321]

約数ペア:

[(1, 19416321), (3, 6472107), (9, 2157369), (27, 719123), (73, 265977), (219, 88659), (657, 29553), (1971, 9851)]