439958642

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{609361}}^1$

素因数の和:609401

約数の個数: 12

約数和(自身を含む): 696500766

約数和(自身を除く): 256542124

約数列:

[1, 2, 19, 38, 361, 722, 609361, 1218722, 11577859, 23155718, 219979321, 439958642]

約数ペア:

[(1, 439958642), (2, 219979321), (19, 23155718), (38, 11577859), (361, 1218722), (722, 609361)]