19385667

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6547}}^1$

素因数の和:6607

約数の個数: 24

約数和(自身を含む): 32687616

約数和(自身を除く): 13301949

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 6547, 19641, 45829, 58923, 137487, 307709, 412461, 923127, 2153963, 2769381, 6461889, 19385667]

約数ペア:

[(1, 19385667), (3, 6461889), (7, 2769381), (9, 2153963), (21, 923127), (47, 412461), (63, 307709), (141, 137487), (329, 58923), (423, 45829), (987, 19641), (2961, 6547)]