18202870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{587}}^1$

素因数の和:1044

約数の個数: 32

約数和(自身を含む): 37594368

約数和(自身を除く): 19391498

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 443, 587, 886, 1174, 2215, 2935, 3101, 4109, 4430, 5870, 6202, 8218, 15505, 20545, 31010, 41090, 260041, 520082, 1300205, 1820287, 2600410, 3640574, 9101435, 18202870]

約数ペア:

[(1, 18202870), (2, 9101435), (5, 3640574), (7, 2600410), (10, 1820287), (14, 1300205), (35, 520082), (70, 260041), (443, 41090), (587, 31010), (886, 20545), (1174, 15505), (2215, 8218), (2935, 6202), (3101, 5870), (4109, 4430)]