18426303

素因数分解:

$3^2\times 7^3\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:201

約数の個数: 48

約数和(自身を含む): 31948800

約数和(自身を除く): 13522497

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 127, 141, 147, 329, 343, 381, 423, 441, 889, 987, 1029, 1143, 2303, 2667, 2961, 3087, 5969, 6223, 6909, 8001, 16121, 17907, 18669, 20727, 41783, 43561, 48363, 53721, 56007, 125349, 130683, 145089, 292481, 376047, 392049, 877443, 2047367, 2632329, 6142101, 18426303]

約数ペア:

[(1, 18426303), (3, 6142101), (7, 2632329), (9, 2047367), (21, 877443), (47, 392049), (49, 376047), (63, 292481), (127, 145089), (141, 130683), (147, 125349), (329, 56007), (343, 53721), (381, 48363), (423, 43561), (441, 41783), (889, 20727), (987, 18669), (1029, 17907), (1143, 16121), (2303, 8001), (2667, 6909), (2961, 6223), (3087, 5969)]