18980493831

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{2767}}^1\times {\mathrm{19543}}^1$

素因数の和:22332

約数の個数: 32

約数和(自身を含む): 30294763520

約数和(自身を除く): 11314269689

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 2767, 8301, 19543, 24903, 35971, 58629, 74709, 107913, 175887, 254059, 323739, 527661, 762177, 971217, 2286531, 6859593, 54075481, 162226443, 486679329, 702981253, 1460037987, 2108943759, 6326831277, 18980493831]

約数ペア:

[(1, 18980493831), (3, 6326831277), (9, 2108943759), (13, 1460037987), (27, 702981253), (39, 486679329), (117, 162226443), (351, 54075481), (2767, 6859593), (8301, 2286531), (19543, 971217), (24903, 762177), (35971, 527661), (58629, 323739), (74709, 254059), (107913, 175887)]