19313261811

素因数分解:

$3^4\times {\mathrm{601}}^1\times {\mathrm{617}}^1\times {\mathrm{643}}^1$

素因数の和:1873

約数の個数: 40

約数和(自身を含む): 28990533264

約数和(自身を除く): 9677271453

約数列:

[1, 3, 9, 27, 81, 601, 617, 643, 1803, 1851, 1929, 5409, 5553, 5787, 16227, 16659, 17361, 48681, 49977, 52083, 370817, 386443, 396731, 1112451, 1159329, 1190193, 3337353, 3477987, 3570579, 10012059, 10433961, 10711737, 30036177, 31301883, 32135211, 238435331, 715305993, 2145917979, 6437753937, 19313261811]

約数ペア:

[(1, 19313261811), (3, 6437753937), (9, 2145917979), (27, 715305993), (81, 238435331), (601, 32135211), (617, 31301883), (643, 30036177), (1803, 10711737), (1851, 10433961), (1929, 10012059), (5409, 3570579), (5553, 3477987), (5787, 3337353), (16227, 1190193), (16659, 1159329), (17361, 1112451), (48681, 396731), (49977, 386443), (52083, 370817)]