18515828

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{643}}^1$

素因数の和:983

約数の個数: 24

約数和(自身を含む): 33972288

約数和(自身を除く): 15456460

約数列:

[1, 2, 4, 23, 46, 92, 313, 626, 643, 1252, 1286, 2572, 7199, 14398, 14789, 28796, 29578, 59156, 201259, 402518, 805036, 4628957, 9257914, 18515828]

約数ペア:

[(1, 18515828), (2, 9257914), (4, 4628957), (23, 805036), (46, 402518), (92, 201259), (313, 59156), (626, 29578), (643, 28796), (1252, 14789), (1286, 14398), (2572, 7199)]