19457889

素因数分解:

$3^1\times {\mathrm{11}}^4\times {\mathrm{443}}^1$

素因数の和:490

約数の個数: 20

約数和(自身を含む): 28602480

約数和(自身を除く): 9144591

約数列:

[1, 3, 11, 33, 121, 363, 443, 1329, 1331, 3993, 4873, 14619, 14641, 43923, 53603, 160809, 589633, 1768899, 6485963, 19457889]

約数ペア:

[(1, 19457889), (3, 6485963), (11, 1768899), (33, 589633), (121, 160809), (363, 53603), (443, 43923), (1329, 14641), (1331, 14619), (3993, 4873)]