16819855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{8923}}^1$

素因数の和:8970

約数の個数: 16

約数和(自身を含む): 22488480

約数和(自身を除く): 5668625

約数列:

[1, 5, 13, 29, 65, 145, 377, 1885, 8923, 44615, 115999, 258767, 579995, 1293835, 3363971, 16819855]

約数ペア:

[(1, 16819855), (5, 3363971), (13, 1293835), (29, 579995), (65, 258767), (145, 115999), (377, 44615), (1885, 8923)]