18673335

素因数分解:

$3^6\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:179

約数の個数: 56

約数和(自身を含む): 34626240

約数和(自身を除く): 15952905

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 109, 135, 141, 235, 243, 327, 405, 423, 545, 705, 729, 981, 1215, 1269, 1635, 2115, 2943, 3645, 3807, 4905, 5123, 6345, 8829, 11421, 14715, 15369, 19035, 25615, 26487, 34263, 44145, 46107, 57105, 76845, 79461, 132435, 138321, 171315, 230535, 397305, 414963, 691605, 1244889, 2074815, 3734667, 6224445, 18673335]

約数ペア:

[(1, 18673335), (3, 6224445), (5, 3734667), (9, 2074815), (15, 1244889), (27, 691605), (45, 414963), (47, 397305), (81, 230535), (109, 171315), (135, 138321), (141, 132435), (235, 79461), (243, 76845), (327, 57105), (405, 46107), (423, 44145), (545, 34263), (705, 26487), (729, 25615), (981, 19035), (1215, 15369), (1269, 14715), (1635, 11421), (2115, 8829), (2943, 6345), (3645, 5123), (3807, 4905)]