18255537

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:315

約数の個数: 40

約数和(自身を含む): 29272320

約数和(自身を除く): 11016783

約数列:

[1, 3, 9, 23, 27, 41, 69, 81, 123, 207, 239, 369, 621, 717, 943, 1107, 1863, 2151, 2829, 3321, 5497, 6453, 8487, 9799, 16491, 19359, 25461, 29397, 49473, 76383, 88191, 148419, 225377, 264573, 445257, 676131, 793719, 2028393, 6085179, 18255537]

約数ペア:

[(1, 18255537), (3, 6085179), (9, 2028393), (23, 793719), (27, 676131), (41, 445257), (69, 264573), (81, 225377), (123, 148419), (207, 88191), (239, 76383), (369, 49473), (621, 29397), (717, 25461), (943, 19359), (1107, 16491), (1863, 9799), (2151, 8487), (2829, 6453), (3321, 5497)]