19400984

素因数分解:

$2^3\times {\mathrm{263}}^1\times {\mathrm{9221}}^1$

素因数の和:9490

約数の個数: 16

約数和(自身を含む): 36519120

約数和(自身を除く): 17118136

約数列:

[1, 2, 4, 8, 263, 526, 1052, 2104, 9221, 18442, 36884, 73768, 2425123, 4850246, 9700492, 19400984]

約数ペア:

[(1, 19400984), (2, 9700492), (4, 4850246), (8, 2425123), (263, 73768), (526, 36884), (1052, 18442), (2104, 9221)]