18117621

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{35317}}^1$

素因数の和:35345

約数の個数: 16

約数和(自身を含む): 28254400

約数和(自身を除く): 10136779

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 35317, 105951, 317853, 671023, 953559, 2013069, 6039207, 18117621]

約数ペア:

[(1, 18117621), (3, 6039207), (9, 2013069), (19, 953559), (27, 671023), (57, 317853), (171, 105951), (513, 35317)]