18872433

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{1543}}^1$

素因数の和:1706

約数の個数: 20

約数和(自身を含む): 28397248

約数和(自身を除く): 9524815

約数列:

[1, 3, 9, 27, 81, 151, 453, 1359, 1543, 4077, 4629, 12231, 13887, 41661, 124983, 232993, 698979, 2096937, 6290811, 18872433]

約数ペア:

[(1, 18872433), (3, 6290811), (9, 2096937), (27, 698979), (81, 232993), (151, 124983), (453, 41661), (1359, 13887), (1543, 12231), (4077, 4629)]