18428445

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19501}}^1$

素因数の和:19522

約数の個数: 32

約数和(自身を含む): 37443840

約数和(自身を除く): 19015395

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 19501, 58503, 97505, 136507, 175509, 292515, 409521, 526527, 682535, 877545, 1228563, 2047605, 2632635, 3685689, 6142815, 18428445]

約数ペア:

[(1, 18428445), (3, 6142815), (5, 3685689), (7, 2632635), (9, 2047605), (15, 1228563), (21, 877545), (27, 682535), (35, 526527), (45, 409521), (63, 292515), (105, 175509), (135, 136507), (189, 97505), (315, 58503), (945, 19501)]