18070815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2917}}^1$

素因数の和:2991

約数の個数: 32

約数和(自身を含む): 33615360

約数和(自身を除く): 15544545

約数列:

[1, 3, 5, 7, 15, 21, 35, 59, 105, 177, 295, 413, 885, 1239, 2065, 2917, 6195, 8751, 14585, 20419, 43755, 61257, 102095, 172103, 306285, 516309, 860515, 1204721, 2581545, 3614163, 6023605, 18070815]

約数ペア:

[(1, 18070815), (3, 6023605), (5, 3614163), (7, 2581545), (15, 1204721), (21, 860515), (35, 516309), (59, 306285), (105, 172103), (177, 102095), (295, 61257), (413, 43755), (885, 20419), (1239, 14585), (2065, 8751), (2917, 6195)]