19716185242

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{509}}^1\times {\mathrm{114601}}^1$

素因数の和:115138

約数の個数: 24

約数和(自身を含む): 32087413980

約数和(自身を除く): 12371228738

約数列:

[1, 2, 13, 26, 169, 338, 509, 1018, 6617, 13234, 86021, 114601, 172042, 229202, 1489813, 2979626, 19367569, 38735138, 58331909, 116663818, 758314817, 1516629634, 9858092621, 19716185242]

約数ペア:

[(1, 19716185242), (2, 9858092621), (13, 1516629634), (26, 758314817), (169, 116663818), (338, 58331909), (509, 38735138), (1018, 19367569), (6617, 2979626), (13234, 1489813), (86021, 229202), (114601, 172042)]