22081438

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{509}}^1$

素因数の和:819

約数の個数: 16

約数和(自身を含む): 33660000

約数和(自身を除く): 11578562

約数列:

[1, 2, 109, 199, 218, 398, 509, 1018, 21691, 43382, 55481, 101291, 110962, 202582, 11040719, 22081438]

約数ペア:

[(1, 22081438), (2, 11040719), (109, 202582), (199, 110962), (218, 101291), (398, 55481), (509, 43382), (1018, 21691)]