18798008

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 36408960

約数和(自身を除く): 17610952

約数列:

[1, 2, 4, 8, 41, 82, 164, 223, 257, 328, 446, 514, 892, 1028, 1784, 2056, 9143, 10537, 18286, 21074, 36572, 42148, 57311, 73144, 84296, 114622, 229244, 458488, 2349751, 4699502, 9399004, 18798008]

約数ペア:

[(1, 18798008), (2, 9399004), (4, 4699502), (8, 2349751), (41, 458488), (82, 229244), (164, 114622), (223, 84296), (257, 73144), (328, 57311), (446, 42148), (514, 36572), (892, 21074), (1028, 18286), (1784, 10537), (2056, 9143)]