19622331

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{1543}}^1$

素因数の和:1712

約数の個数: 20

約数和(自身を含む): 29518192

約数和(自身を除く): 9895861

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 1543, 4239, 4629, 12717, 13887, 41661, 124983, 242251, 726753, 2180259, 6540777, 19622331]

約数ペア:

[(1, 19622331), (3, 6540777), (9, 2180259), (27, 726753), (81, 242251), (157, 124983), (471, 41661), (1413, 13887), (1543, 12717), (4239, 4629)]