18055719

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 31075200

約数和(自身を除く): 13019481

約数列:

[1, 3, 9, 11, 19, 29, 33, 57, 87, 99, 171, 209, 261, 319, 331, 551, 627, 957, 993, 1653, 1881, 2871, 2979, 3641, 4959, 6061, 6289, 9599, 10923, 18183, 18867, 28797, 32769, 54549, 56601, 69179, 86391, 105589, 182381, 207537, 316767, 547143, 622611, 950301, 1641429, 2006191, 6018573, 18055719]

約数ペア:

[(1, 18055719), (3, 6018573), (9, 2006191), (11, 1641429), (19, 950301), (29, 622611), (33, 547143), (57, 316767), (87, 207537), (99, 182381), (171, 105589), (209, 86391), (261, 69179), (319, 56601), (331, 54549), (551, 32769), (627, 28797), (957, 18867), (993, 18183), (1653, 10923), (1881, 9599), (2871, 6289), (2979, 6061), (3641, 4959)]