19892585

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{4219}}^1$

素因数の和:4288

約数の個数: 16

約数和(自身を含む): 25522560

約数和(自身を除く): 5629975

約数列:

[1, 5, 23, 41, 115, 205, 943, 4219, 4715, 21095, 97037, 172979, 485185, 864895, 3978517, 19892585]

約数ペア:

[(1, 19892585), (5, 3978517), (23, 864895), (41, 485185), (115, 172979), (205, 97037), (943, 21095), (4219, 4715)]