19063280

素因数分解:

$2^4\times 5^1\times {\mathrm{238291}}^1$

素因数の和:238304

約数の個数: 20

約数和(自身を含む): 44322312

約数和(自身を除く): 25259032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 238291, 476582, 953164, 1191455, 1906328, 2382910, 3812656, 4765820, 9531640, 19063280]

約数ペア:

[(1, 19063280), (2, 9531640), (4, 4765820), (5, 3812656), (8, 2382910), (10, 1906328), (16, 1191455), (20, 953164), (40, 476582), (80, 238291)]