19636208

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{28541}}^1$

素因数の和:28592

約数の個数: 20

約数和(自身を含む): 38931288

約数和(自身を除く): 19295080

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 28541, 57082, 114164, 228328, 456656, 1227263, 2454526, 4909052, 9818104, 19636208]

約数ペア:

[(1, 19636208), (2, 9818104), (4, 4909052), (8, 2454526), (16, 1227263), (43, 456656), (86, 228328), (172, 114164), (344, 57082), (688, 28541)]