18210388

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{28277}}^1$

素因数の和:28311

約数の個数: 24

約数和(自身を含む): 38005632

約数和(自身を除く): 19795244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 28277, 56554, 113108, 197939, 395878, 650371, 791756, 1300742, 2601484, 4552597, 9105194, 18210388]

約数ペア:

[(1, 18210388), (2, 9105194), (4, 4552597), (7, 2601484), (14, 1300742), (23, 791756), (28, 650371), (46, 395878), (92, 197939), (161, 113108), (322, 56554), (644, 28277)]