19741936

素因数分解:

$2^4\times {\mathrm{281}}^1\times {\mathrm{4391}}^1$

素因数の和:4680

約数の個数: 20

約数和(自身を含む): 38394864

約数和(自身を除く): 18652928

約数列:

[1, 2, 4, 8, 16, 281, 562, 1124, 2248, 4391, 4496, 8782, 17564, 35128, 70256, 1233871, 2467742, 4935484, 9870968, 19741936]

約数ペア:

[(1, 19741936), (2, 9870968), (4, 4935484), (8, 2467742), (16, 1233871), (281, 70256), (562, 35128), (1124, 17564), (2248, 8782), (4391, 4496)]