18475163

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4481}}^1$

素因数の和:4538

約数の個数: 16

約数和(自身を含む): 22947840

約数和(自身を除く): 4472677

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 4481, 31367, 85139, 138911, 595973, 972377, 2639309, 18475163]

約数ペア:

[(1, 18475163), (7, 2639309), (19, 972377), (31, 595973), (133, 138911), (217, 85139), (589, 31367), (4123, 4481)]