18455780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{547}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 44558976

約数和(自身を除く): 26103196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 241, 482, 547, 964, 1094, 1205, 1687, 2188, 2410, 2735, 3374, 3829, 4820, 5470, 6748, 7658, 8435, 10940, 15316, 16870, 19145, 33740, 38290, 76580, 131827, 263654, 527308, 659135, 922789, 1318270, 1845578, 2636540, 3691156, 4613945, 9227890, 18455780]

約数ペア:

[(1, 18455780), (2, 9227890), (4, 4613945), (5, 3691156), (7, 2636540), (10, 1845578), (14, 1318270), (20, 922789), (28, 659135), (35, 527308), (70, 263654), (140, 131827), (241, 76580), (482, 38290), (547, 33740), (964, 19145), (1094, 16870), (1205, 15316), (1687, 10940), (2188, 8435), (2410, 7658), (2735, 6748), (3374, 5470), (3829, 4820)]