19458

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:78

約数の個数: 24

約数和(自身を含む): 44928

約数和(自身を除く): 25470

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 47, 69, 94, 138, 141, 207, 282, 414, 423, 846, 1081, 2162, 3243, 6486, 9729, 19458]

約数ペア:

[(1, 19458), (2, 9729), (3, 6486), (6, 3243), (9, 2162), (18, 1081), (23, 846), (46, 423), (47, 414), (69, 282), (94, 207), (138, 141)]