42642118

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{5639}}^1$

素因数の和:5859

約数の個数: 16

約数和(自身を含む): 67680000

約数和(自身を除く): 25037882

約数列:

[1, 2, 19, 38, 199, 398, 3781, 5639, 7562, 11278, 107141, 214282, 1122161, 2244322, 21321059, 42642118]

約数ペア:

[(1, 42642118), (2, 21321059), (19, 2244322), (38, 1122161), (199, 214282), (398, 107141), (3781, 11278), (5639, 7562)]