18315477

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1$

素因数の和:359

約数の個数: 40

約数和(自身を含む): 29690496

約数和(自身を除く): 11375019

約数列:

[1, 3, 9, 17, 27, 47, 51, 81, 141, 153, 283, 423, 459, 799, 849, 1269, 1377, 2397, 2547, 3807, 4811, 7191, 7641, 13301, 14433, 21573, 22923, 39903, 43299, 64719, 119709, 129897, 226117, 359127, 389691, 678351, 1077381, 2035053, 6105159, 18315477]

約数ペア:

[(1, 18315477), (3, 6105159), (9, 2035053), (17, 1077381), (27, 678351), (47, 389691), (51, 359127), (81, 226117), (141, 129897), (153, 119709), (283, 64719), (423, 43299), (459, 39903), (799, 22923), (849, 21573), (1269, 14433), (1377, 13301), (2397, 7641), (2547, 7191), (3807, 4811)]