19474497

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6577}}^1$

素因数の和:6637

約数の個数: 24

約数和(自身を含む): 32837376

約数和(自身を除く): 13362879

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 6577, 19731, 46039, 59193, 138117, 309119, 414351, 927357, 2163833, 2782071, 6491499, 19474497]

約数ペア:

[(1, 19474497), (3, 6491499), (7, 2782071), (9, 2163833), (21, 927357), (47, 414351), (63, 309119), (141, 138117), (329, 59193), (423, 46039), (987, 19731), (2961, 6577)]