19392345

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{20521}}^1$

素因数の和:20542

約数の個数: 32

約数和(自身を含む): 39402240

約数和(自身を除く): 20009895

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 20521, 61563, 102605, 143647, 184689, 307815, 430941, 554067, 718235, 923445, 1292823, 2154705, 2770335, 3878469, 6464115, 19392345]

約数ペア:

[(1, 19392345), (3, 6464115), (5, 3878469), (7, 2770335), (9, 2154705), (15, 1292823), (21, 923445), (27, 718235), (35, 554067), (45, 430941), (63, 307815), (105, 184689), (135, 143647), (189, 102605), (315, 61563), (945, 20521)]