18801369

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{9539}}^1$

素因数の和:9621

約数の個数: 16

約数和(自身を含む): 28238400

約数和(自身を除く): 9437031

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 9539, 28617, 85851, 257553, 696347, 2089041, 6267123, 18801369]

約数ペア:

[(1, 18801369), (3, 6267123), (9, 2089041), (27, 696347), (73, 257553), (219, 85851), (657, 28617), (1971, 9539)]