31678814

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{20333}}^1$

素因数の和:20395

約数の個数: 16

約数和(自身を含む): 51241680

約数和(自身を除く): 19562866

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 20333, 40666, 386327, 772654, 833653, 1667306, 15839407, 31678814]

約数ペア:

[(1, 31678814), (2, 15839407), (19, 1667306), (38, 833653), (41, 772654), (82, 386327), (779, 40666), (1558, 20333)]