19766528

素因数分解:

$2^8\times {\mathrm{77213}}^1$

素因数の和:77229

約数の個数: 18

約数和(自身を含む): 39456354

約数和(自身を除く): 19689826

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 77213, 154426, 308852, 617704, 1235408, 2470816, 4941632, 9883264, 19766528]

約数ペア:

[(1, 19766528), (2, 9883264), (4, 4941632), (8, 2470816), (16, 1235408), (32, 617704), (64, 308852), (128, 154426), (256, 77213)]