19607408

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{53281}}^1$

素因数の和:53312

約数の個数: 20

約数和(自身を含む): 39641808

約数和(自身を除く): 20034400

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 53281, 106562, 213124, 426248, 852496, 1225463, 2450926, 4901852, 9803704, 19607408]

約数ペア:

[(1, 19607408), (2, 9803704), (4, 4901852), (8, 2450926), (16, 1225463), (23, 852496), (46, 426248), (92, 213124), (184, 106562), (368, 53281)]